Home / 394,919.43-591,903.21-181,392.69

Finding the Fourth Proportional to 394,919.43, 591,903.21 and 181,392.69

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Solution

The fourth proportional to 394,919.43, 591,903.21 and 181,392.69 is: 271,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,919.43 : 591,903.21 = 181,392.69 : x
  2. Step 2: Convert to fraction form
    394,919.43/591,903.21 = 181,392.69/x
  3. Step 3: Cross multiply
    394,919.43x = 591,903.21 × 181,392.69
  4. Step 4: Simplify right side
    394,919.43x = 107,366,915,481.54
  5. Step 5: Solve for x
    x = 107,366,915,481.54/394,919.43
  6. Step 6: Final answer
    x = 271,870.43

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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.