Home / 331,385.10-497,160.45-106,766.70

Finding the Fourth Proportional to 331,385.10, 497,160.45 and 106,766.70

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Solution

The fourth proportional to 331,385.10, 497,160.45 and 106,766.70 is: 160,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,385.10 : 497,160.45 = 106,766.70 : x
  2. Step 2: Convert to fraction form
    331,385.10/497,160.45 = 106,766.70/x
  3. Step 3: Cross multiply
    331,385.10x = 497,160.45 × 106,766.70
  4. Step 4: Simplify right side
    331,385.10x = 53,080,180,617.02
  5. Step 5: Solve for x
    x = 53,080,180,617.02/331,385.10
  6. Step 6: Final answer
    x = 160,176.73

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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.