Home / 263,108.20-394,479.24-113,303.56

Finding the Fourth Proportional to 263,108.20, 394,479.24 and 113,303.56

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Solution

The fourth proportional to 263,108.20, 394,479.24 and 113,303.56 is: 169,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,108.20 : 394,479.24 = 113,303.56 : x
  2. Step 2: Convert to fraction form
    263,108.20/394,479.24 = 113,303.56/x
  3. Step 3: Cross multiply
    263,108.20x = 394,479.24 × 113,303.56
  4. Step 4: Simplify right side
    263,108.20x = 44,695,902,238.09
  5. Step 5: Solve for x
    x = 44,695,902,238.09/263,108.20
  6. Step 6: Final answer
    x = 169,876.51

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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.