Home / 123,614.20-185,340.30-48,689.20

Finding the Fourth Proportional to 123,614.20, 185,340.30 and 48,689.20

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Solution

The fourth proportional to 123,614.20, 185,340.30 and 48,689.20 is: 73,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,614.20 : 185,340.30 = 48,689.20 : x
  2. Step 2: Convert to fraction form
    123,614.20/185,340.30 = 48,689.20/x
  3. Step 3: Cross multiply
    123,614.20x = 185,340.30 × 48,689.20
  4. Step 4: Simplify right side
    123,614.20x = 9,024,070,934.76
  5. Step 5: Solve for x
    x = 9,024,070,934.76/123,614.20
  6. Step 6: Final answer
    x = 73,001.90

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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.