Home / 159,504.12-239,310.45-100,270.44

Finding the Fourth Proportional to 159,504.12, 239,310.45 and 100,270.44

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Solution

The fourth proportional to 159,504.12, 239,310.45 and 100,270.44 is: 150,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,504.12 : 239,310.45 = 100,270.44 : x
  2. Step 2: Convert to fraction form
    159,504.12/239,310.45 = 100,270.44/x
  3. Step 3: Cross multiply
    159,504.12x = 239,310.45 × 100,270.44
  4. Step 4: Simplify right side
    159,504.12x = 23,995,764,118.10
  5. Step 5: Solve for x
    x = 23,995,764,118.10/159,504.12
  6. Step 6: Final answer
    x = 150,439.78

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1.5x scale

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.