Home / 141,190.92-194,861.02-80,753.18

Finding the Fourth Proportional to 141,190.92, 194,861.02 and 80,753.18

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Solution

The fourth proportional to 141,190.92, 194,861.02 and 80,753.18 is: 111,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,190.92 : 194,861.02 = 80,753.18 : x
  2. Step 2: Convert to fraction form
    141,190.92/194,861.02 = 80,753.18/x
  3. Step 3: Cross multiply
    141,190.92x = 194,861.02 × 80,753.18
  4. Step 4: Simplify right side
    141,190.92x = 15,735,647,023.04
  5. Step 5: Solve for x
    x = 15,735,647,023.04/141,190.92
  6. Step 6: Final answer
    x = 111,449.43

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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.