Home / 132,661.40-198,932.56-57,744.50

Finding the Fourth Proportional to 132,661.40, 198,932.56 and 57,744.50

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Solution

The fourth proportional to 132,661.40, 198,932.56 and 57,744.50 is: 86,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,661.40 : 198,932.56 = 57,744.50 : x
  2. Step 2: Convert to fraction form
    132,661.40/198,932.56 = 57,744.50/x
  3. Step 3: Cross multiply
    132,661.40x = 198,932.56 × 57,744.50
  4. Step 4: Simplify right side
    132,661.40x = 11,487,260,071.90
  5. Step 5: Solve for x
    x = 11,487,260,071.90/132,661.40
  6. Step 6: Final answer
    x = 86,590.83

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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.