Home / 263,078.83-394,615.77-113,424.85

Finding the Fourth Proportional to 263,078.83, 394,615.77 and 113,424.85

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Solution

The fourth proportional to 263,078.83, 394,615.77 and 113,424.85 is: 170,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,078.83 : 394,615.77 = 113,424.85 : x
  2. Step 2: Convert to fraction form
    263,078.83/394,615.77 = 113,424.85/x
  3. Step 3: Cross multiply
    263,078.83x = 394,615.77 × 113,424.85
  4. Step 4: Simplify right side
    263,078.83x = 44,759,234,519.88
  5. Step 5: Solve for x
    x = 44,759,234,519.88/263,078.83
  6. Step 6: Final answer
    x = 170,136.21

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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.