Home / 123,375.31-185,131.40-60,195.96

Finding the Fourth Proportional to 123,375.31, 185,131.40 and 60,195.96

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Solution

The fourth proportional to 123,375.31, 185,131.40 and 60,195.96 is: 90,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,375.31 : 185,131.40 = 60,195.96 : x
  2. Step 2: Convert to fraction form
    123,375.31/185,131.40 = 60,195.96/x
  3. Step 3: Cross multiply
    123,375.31x = 185,131.40 × 60,195.96
  4. Step 4: Simplify right side
    123,375.31x = 11,144,162,048.16
  5. Step 5: Solve for x
    x = 11,144,162,048.16/123,375.31
  6. Step 6: Final answer
    x = 90,327.33

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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.