Home / 331,220.85-496,761.60-106,601.37

Finding the Fourth Proportional to 331,220.85, 496,761.60 and 106,601.37

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Solution

The fourth proportional to 331,220.85, 496,761.60 and 106,601.37 is: 159,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,220.85 : 496,761.60 = 106,601.37 : x
  2. Step 2: Convert to fraction form
    331,220.85/496,761.60 = 106,601.37/x
  3. Step 3: Cross multiply
    331,220.85x = 496,761.60 × 106,601.37
  4. Step 4: Simplify right side
    331,220.85x = 52,955,467,123.39
  5. Step 5: Solve for x
    x = 52,955,467,123.39/331,220.85
  6. Step 6: Final answer
    x = 159,879.63

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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.