Home / 331,540.30-496,982.40-162,922.60

Finding the Fourth Proportional to 331,540.30, 496,982.40 and 162,922.60

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Solution

The fourth proportional to 331,540.30, 496,982.40 and 162,922.60 is: 244,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,540.30 : 496,982.40 = 162,922.60 : x
  2. Step 2: Convert to fraction form
    331,540.30/496,982.40 = 162,922.60/x
  3. Step 3: Cross multiply
    331,540.30x = 496,982.40 × 162,922.60
  4. Step 4: Simplify right side
    331,540.30x = 80,969,664,762.24
  5. Step 5: Solve for x
    x = 80,969,664,762.24/331,540.30
  6. Step 6: Final answer
    x = 244,222.69

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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.