Home / 244,781.12-367,171.68-78,685.76

Finding the Fourth Proportional to 244,781.12, 367,171.68 and 78,685.76

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Solution

The fourth proportional to 244,781.12, 367,171.68 and 78,685.76 is: 118,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,781.12 : 367,171.68 = 78,685.76 : x
  2. Step 2: Convert to fraction form
    244,781.12/367,171.68 = 78,685.76/x
  3. Step 3: Cross multiply
    244,781.12x = 367,171.68 × 78,685.76
  4. Step 4: Simplify right side
    244,781.12x = 28,891,182,691.28
  5. Step 5: Solve for x
    x = 28,891,182,691.28/244,781.12
  6. Step 6: Final answer
    x = 118,028.64

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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.