Home / 141,136.55-194,761.19-83,778.29

Finding the Fourth Proportional to 141,136.55, 194,761.19 and 83,778.29

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Solution

The fourth proportional to 141,136.55, 194,761.19 and 83,778.29 is: 115,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,136.55 : 194,761.19 = 83,778.29 : x
  2. Step 2: Convert to fraction form
    141,136.55/194,761.19 = 83,778.29/x
  3. Step 3: Cross multiply
    141,136.55x = 194,761.19 × 83,778.29
  4. Step 4: Simplify right side
    141,136.55x = 16,316,759,037.67
  5. Step 5: Solve for x
    x = 16,316,759,037.67/141,136.55
  6. Step 6: Final answer
    x = 115,609.73

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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.