Home / 132,549.12-198,818.79-57,669.27

Finding the Fourth Proportional to 132,549.12, 198,818.79 and 57,669.27

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Solution

The fourth proportional to 132,549.12, 198,818.79 and 57,669.27 is: 86,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,549.12 : 198,818.79 = 57,669.27 : x
  2. Step 2: Convert to fraction form
    132,549.12/198,818.79 = 57,669.27/x
  3. Step 3: Cross multiply
    132,549.12x = 198,818.79 × 57,669.27
  4. Step 4: Simplify right side
    132,549.12x = 11,465,734,481.58
  5. Step 5: Solve for x
    x = 11,465,734,481.58/132,549.12
  6. Step 6: Final answer
    x = 86,501.78

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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.