On a screen with $320$ dpi $,$ each density$-$independent pixel will be scaled by a factor of $q,$ So$,$ a component that's $q,$

$q,$ actual pixels wide

$\frac{320}{120},100,270$

$160/320,100,50$

$\frac{320}{160},200,400$

$\frac{120}{320},100,75$