Home / 262,704.48-394,112.07-85,197.65

Finding the Fourth Proportional to 262,704.48, 394,112.07 and 85,197.65

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Solution

The fourth proportional to 262,704.48, 394,112.07 and 85,197.65 is: 127,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,704.48 : 394,112.07 = 85,197.65 : x
  2. Step 2: Convert to fraction form
    262,704.48/394,112.07 = 85,197.65/x
  3. Step 3: Cross multiply
    262,704.48x = 394,112.07 × 85,197.65
  4. Step 4: Simplify right side
    262,704.48x = 33,577,420,230.08
  5. Step 5: Solve for x
    x = 33,577,420,230.08/262,704.48
  6. Step 6: Final answer
    x = 127,814.42

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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.