Home / 179,640.10-269,557.35-74,469.70

Finding the Fourth Proportional to 179,640.10, 269,557.35 and 74,469.70

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Solution

The fourth proportional to 179,640.10, 269,557.35 and 74,469.70 is: 111,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,640.10 : 269,557.35 = 74,469.70 : x
  2. Step 2: Convert to fraction form
    179,640.10/269,557.35 = 74,469.70/x
  3. Step 3: Cross multiply
    179,640.10x = 269,557.35 × 74,469.70
  4. Step 4: Simplify right side
    179,640.10x = 20,073,854,987.30
  5. Step 5: Solve for x
    x = 20,073,854,987.30/179,640.10
  6. Step 6: Final answer
    x = 111,744.84

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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.