Home / 168,320.13-252,261.99-68,363.25

Finding the Fourth Proportional to 168,320.13, 252,261.99 and 68,363.25

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Solution

The fourth proportional to 168,320.13, 252,261.99 and 68,363.25 is: 102,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,320.13 : 252,261.99 = 68,363.25 : x
  2. Step 2: Convert to fraction form
    168,320.13/252,261.99 = 68,363.25/x
  3. Step 3: Cross multiply
    168,320.13x = 252,261.99 × 68,363.25
  4. Step 4: Simplify right side
    168,320.13x = 17,245,449,487.87
  5. Step 5: Solve for x
    x = 17,245,449,487.87/168,320.13
  6. Step 6: Final answer
    x = 102,456.25

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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.