Home / 263,164.20-395,135.10-204,066.60

Finding the Fourth Proportional to 263,164.20, 395,135.10 and 204,066.60

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Solution

The fourth proportional to 263,164.20, 395,135.10 and 204,066.60 is: 306,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,164.20 : 395,135.10 = 204,066.60 : x
  2. Step 2: Convert to fraction form
    263,164.20/395,135.10 = 204,066.60/x
  3. Step 3: Cross multiply
    263,164.20x = 395,135.10 × 204,066.60
  4. Step 4: Simplify right side
    263,164.20x = 80,633,876,397.66
  5. Step 5: Solve for x
    x = 80,633,876,397.66/263,164.20
  6. Step 6: Final answer
    x = 306,401.39

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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.