Home / 141,613.38-195,358.14-87,960.78

Finding the Fourth Proportional to 141,613.38, 195,358.14 and 87,960.78

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Solution

The fourth proportional to 141,613.38, 195,358.14 and 87,960.78 is: 121,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,613.38 : 195,358.14 = 87,960.78 : x
  2. Step 2: Convert to fraction form
    141,613.38/195,358.14 = 87,960.78/x
  3. Step 3: Cross multiply
    141,613.38x = 195,358.14 × 87,960.78
  4. Step 4: Simplify right side
    141,613.38x = 17,183,854,373.75
  5. Step 5: Solve for x
    x = 17,183,854,373.75/141,613.38
  6. Step 6: Final answer
    x = 121,343.44

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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.