Home / 129,657.73-194,501.19-40,884.97

Finding the Fourth Proportional to 129,657.73, 194,501.19 and 40,884.97

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Solution

The fourth proportional to 129,657.73, 194,501.19 and 40,884.97 is: 61,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,657.73 : 194,501.19 = 40,884.97 : x
  2. Step 2: Convert to fraction form
    129,657.73/194,501.19 = 40,884.97/x
  3. Step 3: Cross multiply
    129,657.73x = 194,501.19 × 40,884.97
  4. Step 4: Simplify right side
    129,657.73x = 7,952,175,318.11
  5. Step 5: Solve for x
    x = 7,952,175,318.11/129,657.73
  6. Step 6: Final answer
    x = 61,332.06

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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.