Home / 167,687.28-251,561.76-55,375.12

Finding the Fourth Proportional to 167,687.28, 251,561.76 and 55,375.12

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Solution

The fourth proportional to 167,687.28, 251,561.76 and 55,375.12 is: 83,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,687.28 : 251,561.76 = 55,375.12 : x
  2. Step 2: Convert to fraction form
    167,687.28/251,561.76 = 55,375.12/x
  3. Step 3: Cross multiply
    167,687.28x = 251,561.76 × 55,375.12
  4. Step 4: Simplify right side
    167,687.28x = 13,930,262,647.41
  5. Step 5: Solve for x
    x = 13,930,262,647.41/167,687.28
  6. Step 6: Final answer
    x = 83,072.86

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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.