Home / 186,691.38-280,073.13-80,060.46

Finding the Fourth Proportional to 186,691.38, 280,073.13 and 80,060.46

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Solution

The fourth proportional to 186,691.38, 280,073.13 and 80,060.46 is: 120,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,691.38 : 280,073.13 = 80,060.46 : x
  2. Step 2: Convert to fraction form
    186,691.38/280,073.13 = 80,060.46/x
  3. Step 3: Cross multiply
    186,691.38x = 280,073.13 × 80,060.46
  4. Step 4: Simplify right side
    186,691.38x = 22,422,783,621.44
  5. Step 5: Solve for x
    x = 22,422,783,621.44/186,691.38
  6. Step 6: Final answer
    x = 120,106.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.