Home / 181,229.91-250,090.36-100,662.61

Finding the Fourth Proportional to 181,229.91, 250,090.36 and 100,662.61

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Solution

The fourth proportional to 181,229.91, 250,090.36 and 100,662.61 is: 138,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,229.91 : 250,090.36 = 100,662.61 : x
  2. Step 2: Convert to fraction form
    181,229.91/250,090.36 = 100,662.61/x
  3. Step 3: Cross multiply
    181,229.91x = 250,090.36 × 100,662.61
  4. Step 4: Simplify right side
    181,229.91x = 25,174,747,248.82
  5. Step 5: Solve for x
    x = 25,174,747,248.82/181,229.91
  6. Step 6: Final answer
    x = 138,910.55

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1.5x scale

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.