Home / 331,664.20-496,949.10-191,177.80

Finding the Fourth Proportional to 331,664.20, 496,949.10 and 191,177.80

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Solution

The fourth proportional to 331,664.20, 496,949.10 and 191,177.80 is: 286,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,664.20 : 496,949.10 = 191,177.80 : x
  2. Step 2: Convert to fraction form
    331,664.20/496,949.10 = 191,177.80/x
  3. Step 3: Cross multiply
    331,664.20x = 496,949.10 × 191,177.80
  4. Step 4: Simplify right side
    331,664.20x = 95,005,635,649.98
  5. Step 5: Solve for x
    x = 95,005,635,649.98/331,664.20
  6. Step 6: Final answer
    x = 286,451.28

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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.