Home / 132,588.03-198,882.05-109,165.26

Finding the Fourth Proportional to 132,588.03, 198,882.05 and 109,165.26

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Solution

The fourth proportional to 132,588.03, 198,882.05 and 109,165.26 is: 163,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,588.03 : 198,882.05 = 109,165.26 : x
  2. Step 2: Convert to fraction form
    132,588.03/198,882.05 = 109,165.26/x
  3. Step 3: Cross multiply
    132,588.03x = 198,882.05 × 109,165.26
  4. Step 4: Simplify right side
    132,588.03x = 21,711,010,151.76
  5. Step 5: Solve for x
    x = 21,711,010,151.76/132,588.03
  6. Step 6: Final answer
    x = 163,747.89

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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.