Home / 220,743.43-304,626.56-125,249.90

Finding the Fourth Proportional to 220,743.43, 304,626.56 and 125,249.90

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Solution

The fourth proportional to 220,743.43, 304,626.56 and 125,249.90 is: 172,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,743.43 : 304,626.56 = 125,249.90 : x
  2. Step 2: Convert to fraction form
    220,743.43/304,626.56 = 125,249.90/x
  3. Step 3: Cross multiply
    220,743.43x = 304,626.56 × 125,249.90
  4. Step 4: Simplify right side
    220,743.43x = 38,154,444,027.96
  5. Step 5: Solve for x
    x = 38,154,444,027.96/220,743.43
  6. Step 6: Final answer
    x = 172,845.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.