Home / 95,147.59-131,179.20-81,861.56

Finding the Fourth Proportional to 95,147.59, 131,179.20 and 81,861.56

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Solution

The fourth proportional to 95,147.59, 131,179.20 and 81,861.56 is: 112,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,147.59 : 131,179.20 = 81,861.56 : x
  2. Step 2: Convert to fraction form
    95,147.59/131,179.20 = 81,861.56/x
  3. Step 3: Cross multiply
    95,147.59x = 131,179.20 × 81,861.56
  4. Step 4: Simplify right side
    95,147.59x = 10,738,533,951.55
  5. Step 5: Solve for x
    x = 10,738,533,951.55/95,147.59
  6. Step 6: Final answer
    x = 112,861.86

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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.