Home / 140,687.38-194,148.66-77,025.16

Finding the Fourth Proportional to 140,687.38, 194,148.66 and 77,025.16

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Solution

The fourth proportional to 140,687.38, 194,148.66 and 77,025.16 is: 106,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,687.38 : 194,148.66 = 77,025.16 : x
  2. Step 2: Convert to fraction form
    140,687.38/194,148.66 = 77,025.16/x
  3. Step 3: Cross multiply
    140,687.38x = 194,148.66 × 77,025.16
  4. Step 4: Simplify right side
    140,687.38x = 14,954,331,600.29
  5. Step 5: Solve for x
    x = 14,954,331,600.29/140,687.38
  6. Step 6: Final answer
    x = 106,294.76

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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.