Home / 263,331.18-394,221.33-163,169.46

Finding the Fourth Proportional to 263,331.18, 394,221.33 and 163,169.46

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Solution

The fourth proportional to 263,331.18, 394,221.33 and 163,169.46 is: 244,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,331.18 : 394,221.33 = 163,169.46 : x
  2. Step 2: Convert to fraction form
    263,331.18/394,221.33 = 163,169.46/x
  3. Step 3: Cross multiply
    263,331.18x = 394,221.33 × 163,169.46
  4. Step 4: Simplify right side
    263,331.18x = 64,324,881,536.58
  5. Step 5: Solve for x
    x = 64,324,881,536.58/263,331.18
  6. Step 6: Final answer
    x = 244,273.70

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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.