Home / 331,190.10-496,821.60-106,512.30

Finding the Fourth Proportional to 331,190.10, 496,821.60 and 106,512.30

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Solution

The fourth proportional to 331,190.10, 496,821.60 and 106,512.30 is: 159,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,190.10 : 496,821.60 = 106,512.30 : x
  2. Step 2: Convert to fraction form
    331,190.10/496,821.60 = 106,512.30/x
  3. Step 3: Cross multiply
    331,190.10x = 496,821.60 × 106,512.30
  4. Step 4: Simplify right side
    331,190.10x = 52,917,611,305.68
  5. Step 5: Solve for x
    x = 52,917,611,305.68/331,190.10
  6. Step 6: Final answer
    x = 159,780.17

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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.