Home / 361,934.07-499,469.60-200,789.12

Finding the Fourth Proportional to 361,934.07, 499,469.60 and 200,789.12

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Solution

The fourth proportional to 361,934.07, 499,469.60 and 200,789.12 is: 277,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,934.07 : 499,469.60 = 200,789.12 : x
  2. Step 2: Convert to fraction form
    361,934.07/499,469.60 = 200,789.12/x
  3. Step 3: Cross multiply
    361,934.07x = 499,469.60 × 200,789.12
  4. Step 4: Simplify right side
    361,934.07x = 100,288,061,450.75
  5. Step 5: Solve for x
    x = 100,288,061,450.75/361,934.07
  6. Step 6: Final answer
    x = 277,089.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.