Home / 175,377.72-263,105.56-81,832.44

Finding the Fourth Proportional to 175,377.72, 263,105.56 and 81,832.44

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Solution

The fourth proportional to 175,377.72, 263,105.56 and 81,832.44 is: 122,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,377.72 : 263,105.56 = 81,832.44 : x
  2. Step 2: Convert to fraction form
    175,377.72/263,105.56 = 81,832.44/x
  3. Step 3: Cross multiply
    175,377.72x = 263,105.56 × 81,832.44
  4. Step 4: Simplify right side
    175,377.72x = 21,530,569,952.37
  5. Step 5: Solve for x
    x = 21,530,569,952.37/175,377.72
  6. Step 6: Final answer
    x = 122,766.85

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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.