Finding the Fourth Proportional to 193,569.36, 290,355.48 and 53,335.68
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Solution
The fourth proportional to 193,569.36, 290,355.48 and 53,335.68 is: 80,003.92
Step by Step Solution
- Step 1: Write the proportion equation
193,569.36 : 290,355.48 = 53,335.68 : x - Step 2: Convert to fraction form
193,569.36/290,355.48 = 53,335.68/x - Step 3: Cross multiply
193,569.36x = 290,355.48 × 53,335.68 - Step 4: Simplify right side
193,569.36x = 15,486,306,967.53 - Step 5: Solve for x
x = 15,486,306,967.53/193,569.36 - Step 6: Final answer
x = 80,003.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.