Home / 187,732.28-281,595.38-45,578.70

Finding the Fourth Proportional to 187,732.28, 281,595.38 and 45,578.70

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Solution

The fourth proportional to 187,732.28, 281,595.38 and 45,578.70 is: 68,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,732.28 : 281,595.38 = 45,578.70 : x
  2. Step 2: Convert to fraction form
    187,732.28/281,595.38 = 45,578.70/x
  3. Step 3: Cross multiply
    187,732.28x = 281,595.38 × 45,578.70
  4. Step 4: Simplify right side
    187,732.28x = 12,834,751,346.41
  5. Step 5: Solve for x
    x = 12,834,751,346.41/187,732.28
  6. Step 6: Final answer
    x = 68,367.31

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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.