Home / 263,160.89-394,766.34-73,621.29

Finding the Fourth Proportional to 263,160.89, 394,766.34 and 73,621.29

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Solution

The fourth proportional to 263,160.89, 394,766.34 and 73,621.29 is: 110,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,160.89 : 394,766.34 = 73,621.29 : x
  2. Step 2: Convert to fraction form
    263,160.89/394,766.34 = 73,621.29/x
  3. Step 3: Cross multiply
    263,160.89x = 394,766.34 × 73,621.29
  4. Step 4: Simplify right side
    263,160.89x = 29,063,206,831.27
  5. Step 5: Solve for x
    x = 29,063,206,831.27/263,160.89
  6. Step 6: Final answer
    x = 110,438.93

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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.