Home / 132,299.33-182,566.17-71,869.78

Finding the Fourth Proportional to 132,299.33, 182,566.17 and 71,869.78

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Solution

The fourth proportional to 132,299.33, 182,566.17 and 71,869.78 is: 99,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,299.33 : 182,566.17 = 71,869.78 : x
  2. Step 2: Convert to fraction form
    132,299.33/182,566.17 = 71,869.78/x
  3. Step 3: Cross multiply
    132,299.33x = 182,566.17 × 71,869.78
  4. Step 4: Simplify right side
    132,299.33x = 13,120,990,473.34
  5. Step 5: Solve for x
    x = 13,120,990,473.34/132,299.33
  6. Step 6: Final answer
    x = 99,176.55

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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.