Home / 156,481.62-234,763.38-67,714.32

Finding the Fourth Proportional to 156,481.62, 234,763.38 and 67,714.32

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Solution

The fourth proportional to 156,481.62, 234,763.38 and 67,714.32 is: 101,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,481.62 : 234,763.38 = 67,714.32 : x
  2. Step 2: Convert to fraction form
    156,481.62/234,763.38 = 67,714.32/x
  3. Step 3: Cross multiply
    156,481.62x = 234,763.38 × 67,714.32
  4. Step 4: Simplify right side
    156,481.62x = 15,896,842,637.60
  5. Step 5: Solve for x
    x = 15,896,842,637.60/156,481.62
  6. Step 6: Final answer
    x = 101,589.20

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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.