Home / 132,304.56-182,580.64-71,874.72

Finding the Fourth Proportional to 132,304.56, 182,580.64 and 71,874.72

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Solution

The fourth proportional to 132,304.56, 182,580.64 and 71,874.72 is: 99,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,304.56 : 182,580.64 = 71,874.72 : x
  2. Step 2: Convert to fraction form
    132,304.56/182,580.64 = 71,874.72/x
  3. Step 3: Cross multiply
    132,304.56x = 182,580.64 × 71,874.72
  4. Step 4: Simplify right side
    132,304.56x = 13,122,932,377.42
  5. Step 5: Solve for x
    x = 13,122,932,377.42/132,304.56
  6. Step 6: Final answer
    x = 99,187.30

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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.