Home / 331,760.12-497,640.20-110,144.12

Finding the Fourth Proportional to 331,760.12, 497,640.20 and 110,144.12

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Solution

The fourth proportional to 331,760.12, 497,640.20 and 110,144.12 is: 165,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,760.12 : 497,640.20 = 110,144.12 : x
  2. Step 2: Convert to fraction form
    331,760.12/497,640.20 = 110,144.12/x
  3. Step 3: Cross multiply
    331,760.12x = 497,640.20 × 110,144.12
  4. Step 4: Simplify right side
    331,760.12x = 54,812,141,905.62
  5. Step 5: Solve for x
    x = 54,812,141,905.62/331,760.12
  6. Step 6: Final answer
    x = 165,216.19

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1.5x scale

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.