Home / 263,279.16-394,560.80-111,349.92

Finding the Fourth Proportional to 263,279.16, 394,560.80 and 111,349.92

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Solution

The fourth proportional to 263,279.16, 394,560.80 and 111,349.92 is: 166,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,279.16 : 394,560.80 = 111,349.92 : x
  2. Step 2: Convert to fraction form
    263,279.16/394,560.80 = 111,349.92/x
  3. Step 3: Cross multiply
    263,279.16x = 394,560.80 × 111,349.92
  4. Step 4: Simplify right side
    263,279.16x = 43,934,313,515.14
  5. Step 5: Solve for x
    x = 43,934,313,515.14/263,279.16
  6. Step 6: Final answer
    x = 166,873.49

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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.