Home / 168,042.64-252,169.03-68,202.82

Finding the Fourth Proportional to 168,042.64, 252,169.03 and 68,202.82

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Solution

The fourth proportional to 168,042.64, 252,169.03 and 68,202.82 is: 102,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,042.64 : 252,169.03 = 68,202.82 : x
  2. Step 2: Convert to fraction form
    168,042.64/252,169.03 = 68,202.82/x
  3. Step 3: Cross multiply
    168,042.64x = 252,169.03 × 68,202.82
  4. Step 4: Simplify right side
    168,042.64x = 17,198,638,962.66
  5. Step 5: Solve for x
    x = 17,198,638,962.66/168,042.64
  6. Step 6: Final answer
    x = 102,346.87

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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.