Home / 239,044.24-330,105-149,775.76

Finding the Fourth Proportional to 239,044.24, 330,105 and 149,775.76

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Solution

The fourth proportional to 239,044.24, 330,105 and 149,775.76 is: 206,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,044.24 : 330,105 = 149,775.76 : x
  2. Step 2: Convert to fraction form
    239,044.24/330,105 = 149,775.76/x
  3. Step 3: Cross multiply
    239,044.24x = 330,105 × 149,775.76
  4. Step 4: Simplify right side
    239,044.24x = 49,441,727,254.80
  5. Step 5: Solve for x
    x = 49,441,727,254.80/239,044.24
  6. Step 6: Final answer
    x = 206,830.87

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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.