Home / 132,190.70-198,286.04-38,696.44

Finding the Fourth Proportional to 132,190.70, 198,286.04 and 38,696.44

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Solution

The fourth proportional to 132,190.70, 198,286.04 and 38,696.44 is: 58,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,190.70 : 198,286.04 = 38,696.44 : x
  2. Step 2: Convert to fraction form
    132,190.70/198,286.04 = 38,696.44/x
  3. Step 3: Cross multiply
    132,190.70x = 198,286.04 × 38,696.44
  4. Step 4: Simplify right side
    132,190.70x = 7,672,963,849.70
  5. Step 5: Solve for x
    x = 7,672,963,849.70/132,190.70
  6. Step 6: Final answer
    x = 58,044.66

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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.