Home / 131,198.11-196,672.46-51,287.33

Finding the Fourth Proportional to 131,198.11, 196,672.46 and 51,287.33

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Solution

The fourth proportional to 131,198.11, 196,672.46 and 51,287.33 is: 76,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,198.11 : 196,672.46 = 51,287.33 : x
  2. Step 2: Convert to fraction form
    131,198.11/196,672.46 = 51,287.33/x
  3. Step 3: Cross multiply
    131,198.11x = 196,672.46 × 51,287.33
  4. Step 4: Simplify right side
    131,198.11x = 10,086,805,593.18
  5. Step 5: Solve for x
    x = 10,086,805,593.18/131,198.11
  6. Step 6: Final answer
    x = 76,882.25

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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.