Home / 331,024.20-496,536.30-120,634.80

Finding the Fourth Proportional to 331,024.20, 496,536.30 and 120,634.80

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Solution

The fourth proportional to 331,024.20, 496,536.30 and 120,634.80 is: 180,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,024.20 : 496,536.30 = 120,634.80 : x
  2. Step 2: Convert to fraction form
    331,024.20/496,536.30 = 120,634.80/x
  3. Step 3: Cross multiply
    331,024.20x = 496,536.30 × 120,634.80
  4. Step 4: Simplify right side
    331,024.20x = 59,899,557,243.24
  5. Step 5: Solve for x
    x = 59,899,557,243.24/331,024.20
  6. Step 6: Final answer
    x = 180,952.20

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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.