Finding the Fourth Proportional to 317,161.64, 437,683.12 and 173,924.68
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Solution
The fourth proportional to 317,161.64, 437,683.12 and 173,924.68 is: 240,016.09
Step by Step Solution
- Step 1: Write the proportion equation
317,161.64 : 437,683.12 = 173,924.68 : x - Step 2: Convert to fraction form
317,161.64/437,683.12 = 173,924.68/x - Step 3: Cross multiply
317,161.64x = 437,683.12 × 173,924.68 - Step 4: Simplify right side
317,161.64x = 76,123,895,058.38 - Step 5: Solve for x
x = 76,123,895,058.38/317,161.64 - Step 6: Final answer
x = 240,016.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.