Home / 140,695.92-194,165.25-77,034.15

Finding the Fourth Proportional to 140,695.92, 194,165.25 and 77,034.15

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Solution

The fourth proportional to 140,695.92, 194,165.25 and 77,034.15 is: 106,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,695.92 : 194,165.25 = 77,034.15 : x
  2. Step 2: Convert to fraction form
    140,695.92/194,165.25 = 77,034.15/x
  3. Step 3: Cross multiply
    140,695.92x = 194,165.25 × 77,034.15
  4. Step 4: Simplify right side
    140,695.92x = 14,957,354,993.29
  5. Step 5: Solve for x
    x = 14,957,354,993.29/140,695.92
  6. Step 6: Final answer
    x = 106,309.80

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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.