Home / 263,167.20-394,772.67-105,309.54

Finding the Fourth Proportional to 263,167.20, 394,772.67 and 105,309.54

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Solution

The fourth proportional to 263,167.20, 394,772.67 and 105,309.54 is: 157,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,167.20 : 394,772.67 = 105,309.54 : x
  2. Step 2: Convert to fraction form
    263,167.20/394,772.67 = 105,309.54/x
  3. Step 3: Cross multiply
    263,167.20x = 394,772.67 × 105,309.54
  4. Step 4: Simplify right side
    263,167.20x = 41,573,328,282.27
  5. Step 5: Solve for x
    x = 41,573,328,282.27/263,167.20
  6. Step 6: Final answer
    x = 157,973.06

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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.