Home / 141,614.26-195,404.81-81,173.78

Finding the Fourth Proportional to 141,614.26, 195,404.81 and 81,173.78

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Solution

The fourth proportional to 141,614.26, 195,404.81 and 81,173.78 is: 112,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,614.26 : 195,404.81 = 81,173.78 : x
  2. Step 2: Convert to fraction form
    141,614.26/195,404.81 = 81,173.78/x
  3. Step 3: Cross multiply
    141,614.26x = 195,404.81 × 81,173.78
  4. Step 4: Simplify right side
    141,614.26x = 15,861,747,057.88
  5. Step 5: Solve for x
    x = 15,861,747,057.88/141,614.26
  6. Step 6: Final answer
    x = 112,006.71

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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.