Home / 159,541.90-239,239.68-54,318.04

Finding the Fourth Proportional to 159,541.90, 239,239.68 and 54,318.04

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Solution

The fourth proportional to 159,541.90, 239,239.68 and 54,318.04 is: 81,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,541.90 : 239,239.68 = 54,318.04 : x
  2. Step 2: Convert to fraction form
    159,541.90/239,239.68 = 54,318.04/x
  3. Step 3: Cross multiply
    159,541.90x = 239,239.68 × 54,318.04
  4. Step 4: Simplify right side
    159,541.90x = 12,995,030,507.83
  5. Step 5: Solve for x
    x = 12,995,030,507.83/159,541.90
  6. Step 6: Final answer
    x = 81,452.15

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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.