Home / 239,249.22-330,162.30-131,816.76

Finding the Fourth Proportional to 239,249.22, 330,162.30 and 131,816.76

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Solution

The fourth proportional to 239,249.22, 330,162.30 and 131,816.76 is: 181,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,249.22 : 330,162.30 = 131,816.76 : x
  2. Step 2: Convert to fraction form
    239,249.22/330,162.30 = 131,816.76/x
  3. Step 3: Cross multiply
    239,249.22x = 330,162.30 × 131,816.76
  4. Step 4: Simplify right side
    239,249.22x = 43,520,924,660.15
  5. Step 5: Solve for x
    x = 43,520,924,660.15/239,249.22
  6. Step 6: Final answer
    x = 181,906.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.