Home / 168,243.48-251,849.92-108,961.20

Finding the Fourth Proportional to 168,243.48, 251,849.92 and 108,961.20

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Solution

The fourth proportional to 168,243.48, 251,849.92 and 108,961.20 is: 163,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,243.48 : 251,849.92 = 108,961.20 : x
  2. Step 2: Convert to fraction form
    168,243.48/251,849.92 = 108,961.20/x
  3. Step 3: Cross multiply
    168,243.48x = 251,849.92 × 108,961.20
  4. Step 4: Simplify right side
    168,243.48x = 27,441,869,503.10
  5. Step 5: Solve for x
    x = 27,441,869,503.10/168,243.48
  6. Step 6: Final answer
    x = 163,108.07

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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.