Home / 263,076.72-394,673.52-122,758.80

Finding the Fourth Proportional to 263,076.72, 394,673.52 and 122,758.80

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Solution

The fourth proportional to 263,076.72, 394,673.52 and 122,758.80 is: 184,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,076.72 : 394,673.52 = 122,758.80 : x
  2. Step 2: Convert to fraction form
    263,076.72/394,673.52 = 122,758.80/x
  3. Step 3: Cross multiply
    263,076.72x = 394,673.52 × 122,758.80
  4. Step 4: Simplify right side
    263,076.72x = 48,449,647,706.98
  5. Step 5: Solve for x
    x = 48,449,647,706.98/263,076.72
  6. Step 6: Final answer
    x = 184,165.47

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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.