Home / 168,311.13-252,248.49-68,354.25

Finding the Fourth Proportional to 168,311.13, 252,248.49 and 68,354.25

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Solution

The fourth proportional to 168,311.13, 252,248.49 and 68,354.25 is: 102,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,311.13 : 252,248.49 = 68,354.25 : x
  2. Step 2: Convert to fraction form
    168,311.13/252,248.49 = 68,354.25/x
  3. Step 3: Cross multiply
    168,311.13x = 252,248.49 × 68,354.25
  4. Step 4: Simplify right side
    168,311.13x = 17,242,256,347.58
  5. Step 5: Solve for x
    x = 17,242,256,347.58/168,311.13
  6. Step 6: Final answer
    x = 102,442.76

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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.