Home / 263,025.20-394,537.80-96,791.60

Finding the Fourth Proportional to 263,025.20, 394,537.80 and 96,791.60

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Solution

The fourth proportional to 263,025.20, 394,537.80 and 96,791.60 is: 145,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,025.20 : 394,537.80 = 96,791.60 : x
  2. Step 2: Convert to fraction form
    263,025.20/394,537.80 = 96,791.60/x
  3. Step 3: Cross multiply
    263,025.20x = 394,537.80 × 96,791.60
  4. Step 4: Simplify right side
    263,025.20x = 38,187,944,922.48
  5. Step 5: Solve for x
    x = 38,187,944,922.48/263,025.20
  6. Step 6: Final answer
    x = 145,187.40

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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.