Home / 451,109.41-676,815.17-147,517.56

Finding the Fourth Proportional to 451,109.41, 676,815.17 and 147,517.56

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Solution

The fourth proportional to 451,109.41, 676,815.17 and 147,517.56 is: 221,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,109.41 : 676,815.17 = 147,517.56 : x
  2. Step 2: Convert to fraction form
    451,109.41/676,815.17 = 147,517.56/x
  3. Step 3: Cross multiply
    451,109.41x = 676,815.17 × 147,517.56
  4. Step 4: Simplify right side
    451,109.41x = 99,842,121,711.80
  5. Step 5: Solve for x
    x = 99,842,121,711.80/451,109.41
  6. Step 6: Final answer
    x = 221,325.74

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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.