Home / 263,114.20-394,217.70-122,584.60

Finding the Fourth Proportional to 263,114.20, 394,217.70 and 122,584.60

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Solution

The fourth proportional to 263,114.20, 394,217.70 and 122,584.60 is: 183,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,114.20 : 394,217.70 = 122,584.60 : x
  2. Step 2: Convert to fraction form
    263,114.20/394,217.70 = 122,584.60/x
  3. Step 3: Cross multiply
    263,114.20x = 394,217.70 × 122,584.60
  4. Step 4: Simplify right side
    263,114.20x = 48,325,019,067.42
  5. Step 5: Solve for x
    x = 48,325,019,067.42/263,114.20
  6. Step 6: Final answer
    x = 183,665.57

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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.