Home / 187,644.78-281,435.50-52,677.90

Finding the Fourth Proportional to 187,644.78, 281,435.50 and 52,677.90

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Solution

The fourth proportional to 187,644.78, 281,435.50 and 52,677.90 is: 79,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,644.78 : 281,435.50 = 52,677.90 : x
  2. Step 2: Convert to fraction form
    187,644.78/281,435.50 = 52,677.90/x
  3. Step 3: Cross multiply
    187,644.78x = 281,435.50 × 52,677.90
  4. Step 4: Simplify right side
    187,644.78x = 14,825,429,454.88
  5. Step 5: Solve for x
    x = 14,825,429,454.88/187,644.78
  6. Step 6: Final answer
    x = 79,007.95

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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.