Home / 132,414.98-182,732.28-71,985.56

Finding the Fourth Proportional to 132,414.98, 182,732.28 and 71,985.56

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Solution

The fourth proportional to 132,414.98, 182,732.28 and 71,985.56 is: 99,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,414.98 : 182,732.28 = 71,985.56 : x
  2. Step 2: Convert to fraction form
    132,414.98/182,732.28 = 71,985.56/x
  3. Step 3: Cross multiply
    132,414.98x = 182,732.28 × 71,985.56
  4. Step 4: Simplify right side
    132,414.98x = 13,154,085,505.88
  5. Step 5: Solve for x
    x = 13,154,085,505.88/132,414.98
  6. Step 6: Final answer
    x = 99,339.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.