Home / 132,319.82-198,735.03-113,387.37

Finding the Fourth Proportional to 132,319.82, 198,735.03 and 113,387.37

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Solution

The fourth proportional to 132,319.82, 198,735.03 and 113,387.37 is: 170,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,319.82 : 198,735.03 = 113,387.37 : x
  2. Step 2: Convert to fraction form
    132,319.82/198,735.03 = 113,387.37/x
  3. Step 3: Cross multiply
    132,319.82x = 198,735.03 × 113,387.37
  4. Step 4: Simplify right side
    132,319.82x = 22,534,042,378.57
  5. Step 5: Solve for x
    x = 22,534,042,378.57/132,319.82
  6. Step 6: Final answer
    x = 170,299.83

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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.