Home / 181,231.22-250,092.16-100,663.91

Finding the Fourth Proportional to 181,231.22, 250,092.16 and 100,663.91

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Solution

The fourth proportional to 181,231.22, 250,092.16 and 100,663.91 is: 138,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,231.22 : 250,092.16 = 100,663.91 : x
  2. Step 2: Convert to fraction form
    181,231.22/250,092.16 = 100,663.91/x
  3. Step 3: Cross multiply
    181,231.22x = 250,092.16 × 100,663.91
  4. Step 4: Simplify right side
    181,231.22x = 25,175,253,183.83
  5. Step 5: Solve for x
    x = 25,175,253,183.83/181,231.22
  6. Step 6: Final answer
    x = 138,912.35

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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.