Home / 141,561.17-195,354.28-77,898.97

Finding the Fourth Proportional to 141,561.17, 195,354.28 and 77,898.97

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Solution

The fourth proportional to 141,561.17, 195,354.28 and 77,898.97 is: 107,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,561.17 : 195,354.28 = 77,898.97 : x
  2. Step 2: Convert to fraction form
    141,561.17/195,354.28 = 77,898.97/x
  3. Step 3: Cross multiply
    141,561.17x = 195,354.28 × 77,898.97
  4. Step 4: Simplify right side
    141,561.17x = 15,217,896,439.79
  5. Step 5: Solve for x
    x = 15,217,896,439.79/141,561.17
  6. Step 6: Final answer
    x = 107,500.50

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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.