Home / 181,108.76-271,663.14-68,788.70

Finding the Fourth Proportional to 181,108.76, 271,663.14 and 68,788.70

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Solution

The fourth proportional to 181,108.76, 271,663.14 and 68,788.70 is: 103,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,108.76 : 271,663.14 = 68,788.70 : x
  2. Step 2: Convert to fraction form
    181,108.76/271,663.14 = 68,788.70/x
  3. Step 3: Cross multiply
    181,108.76x = 271,663.14 × 68,788.70
  4. Step 4: Simplify right side
    181,108.76x = 18,687,354,917.68
  5. Step 5: Solve for x
    x = 18,687,354,917.68/181,108.76
  6. Step 6: Final answer
    x = 103,183.06

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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.