Home / 159,354.24-239,179.02-80,523.72

Finding the Fourth Proportional to 159,354.24, 239,179.02 and 80,523.72

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Solution

The fourth proportional to 159,354.24, 239,179.02 and 80,523.72 is: 120,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,354.24 : 239,179.02 = 80,523.72 : x
  2. Step 2: Convert to fraction form
    159,354.24/239,179.02 = 80,523.72/x
  3. Step 3: Cross multiply
    159,354.24x = 239,179.02 × 80,523.72
  4. Step 4: Simplify right side
    159,354.24x = 19,259,584,436.35
  5. Step 5: Solve for x
    x = 19,259,584,436.35/159,354.24
  6. Step 6: Final answer
    x = 120,860.19

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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.