Home / 129,713.92-194,387.97-61,252.42

Finding the Fourth Proportional to 129,713.92, 194,387.97 and 61,252.42

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Solution

The fourth proportional to 129,713.92, 194,387.97 and 61,252.42 is: 91,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,713.92 : 194,387.97 = 61,252.42 : x
  2. Step 2: Convert to fraction form
    129,713.92/194,387.97 = 61,252.42/x
  3. Step 3: Cross multiply
    129,713.92x = 194,387.97 × 61,252.42
  4. Step 4: Simplify right side
    129,713.92x = 11,906,733,581.39
  5. Step 5: Solve for x
    x = 11,906,733,581.39/129,713.92
  6. Step 6: Final answer
    x = 91,792.26

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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.