Finding the Fourth Proportional to 173,574.80, 239,503.56 and 98,121.68
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Solution
The fourth proportional to 173,574.80, 239,503.56 and 98,121.68 is: 135,391.15
Step by Step Solution
- Step 1: Write the proportion equation
173,574.80 : 239,503.56 = 98,121.68 : x - Step 2: Convert to fraction form
173,574.80/239,503.56 = 98,121.68/x - Step 3: Cross multiply
173,574.80x = 239,503.56 × 98,121.68 - Step 4: Simplify right side
173,574.80x = 23,500,491,673.18 - Step 5: Solve for x
x = 23,500,491,673.18/173,574.80 - Step 6: Final answer
x = 135,391.15
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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.