Home / 132,395.34-198,481.11-57,459.15

Finding the Fourth Proportional to 132,395.34, 198,481.11 and 57,459.15

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Solution

The fourth proportional to 132,395.34, 198,481.11 and 57,459.15 is: 86,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,395.34 : 198,481.11 = 57,459.15 : x
  2. Step 2: Convert to fraction form
    132,395.34/198,481.11 = 57,459.15/x
  3. Step 3: Cross multiply
    132,395.34x = 198,481.11 × 57,459.15
  4. Step 4: Simplify right side
    132,395.34x = 11,404,555,871.66
  5. Step 5: Solve for x
    x = 11,404,555,871.66/132,395.34
  6. Step 6: Final answer
    x = 86,140.16

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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.