Home / 132,211.26-182,451.60-71,781.84

Finding the Fourth Proportional to 132,211.26, 182,451.60 and 71,781.84

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Solution

The fourth proportional to 132,211.26, 182,451.60 and 71,781.84 is: 99,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,211.26 : 182,451.60 = 71,781.84 : x
  2. Step 2: Convert to fraction form
    132,211.26/182,451.60 = 71,781.84/x
  3. Step 3: Cross multiply
    132,211.26x = 182,451.60 × 71,781.84
  4. Step 4: Simplify right side
    132,211.26x = 13,096,711,558.94
  5. Step 5: Solve for x
    x = 13,096,711,558.94/132,211.26
  6. Step 6: Final answer
    x = 99,058.97

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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.