Home / 159,859.24-239,380.04-155,129.28

Finding the Fourth Proportional to 159,859.24, 239,380.04 and 155,129.28

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Solution

The fourth proportional to 159,859.24, 239,380.04 and 155,129.28 is: 232,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,859.24 : 239,380.04 = 155,129.28 : x
  2. Step 2: Convert to fraction form
    159,859.24/239,380.04 = 155,129.28/x
  3. Step 3: Cross multiply
    159,859.24x = 239,380.04 × 155,129.28
  4. Step 4: Simplify right side
    159,859.24x = 37,134,853,251.57
  5. Step 5: Solve for x
    x = 37,134,853,251.57/159,859.24
  6. Step 6: Final answer
    x = 232,297.20

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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.