Home / 137,844.56-206,764.44-75,481.04

Finding the Fourth Proportional to 137,844.56, 206,764.44 and 75,481.04

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Solution

The fourth proportional to 137,844.56, 206,764.44 and 75,481.04 is: 113,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,844.56 : 206,764.44 = 75,481.04 : x
  2. Step 2: Convert to fraction form
    137,844.56/206,764.44 = 75,481.04/x
  3. Step 3: Cross multiply
    137,844.56x = 206,764.44 × 75,481.04
  4. Step 4: Simplify right side
    137,844.56x = 15,606,794,966.22
  5. Step 5: Solve for x
    x = 15,606,794,966.22/137,844.56
  6. Step 6: Final answer
    x = 113,220.25

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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.