Home / 263,131.23-394,721.71-73,591.54

Finding the Fourth Proportional to 263,131.23, 394,721.71 and 73,591.54

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Solution

The fourth proportional to 263,131.23, 394,721.71 and 73,591.54 is: 110,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,131.23 : 394,721.71 = 73,591.54 : x
  2. Step 2: Convert to fraction form
    263,131.23/394,721.71 = 73,591.54/x
  3. Step 3: Cross multiply
    263,131.23x = 394,721.71 × 73,591.54
  4. Step 4: Simplify right side
    263,131.23x = 29,048,177,339.55
  5. Step 5: Solve for x
    x = 29,048,177,339.55/263,131.23
  6. Step 6: Final answer
    x = 110,394.26

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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.