Home / 187,732.28-281,595.39-45,578.69

Finding the Fourth Proportional to 187,732.28, 281,595.39 and 45,578.69

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Solution

The fourth proportional to 187,732.28, 281,595.39 and 45,578.69 is: 68,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,732.28 : 281,595.39 = 45,578.69 : x
  2. Step 2: Convert to fraction form
    187,732.28/281,595.39 = 45,578.69/x
  3. Step 3: Cross multiply
    187,732.28x = 281,595.39 × 45,578.69
  4. Step 4: Simplify right side
    187,732.28x = 12,834,748,986.24
  5. Step 5: Solve for x
    x = 12,834,748,986.24/187,732.28
  6. Step 6: Final answer
    x = 68,367.30

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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.