Home / 141,998.27-195,947.91-78,337.13

Finding the Fourth Proportional to 141,998.27, 195,947.91 and 78,337.13

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Solution

The fourth proportional to 141,998.27, 195,947.91 and 78,337.13 is: 108,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,998.27 : 195,947.91 = 78,337.13 : x
  2. Step 2: Convert to fraction form
    141,998.27/195,947.91 = 78,337.13/x
  3. Step 3: Cross multiply
    141,998.27x = 195,947.91 × 78,337.13
  4. Step 4: Simplify right side
    141,998.27x = 15,349,995,919.16
  5. Step 5: Solve for x
    x = 15,349,995,919.16/141,998.27
  6. Step 6: Final answer
    x = 108,099.88

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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.