Home / 394,255.81-591,432.92-154,338.72

Finding the Fourth Proportional to 394,255.81, 591,432.92 and 154,338.72

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Solution

The fourth proportional to 394,255.81, 591,432.92 and 154,338.72 is: 231,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,255.81 : 591,432.92 = 154,338.72 : x
  2. Step 2: Convert to fraction form
    394,255.81/591,432.92 = 154,338.72/x
  3. Step 3: Cross multiply
    394,255.81x = 591,432.92 × 154,338.72
  4. Step 4: Simplify right side
    394,255.81x = 91,280,996,993.79
  5. Step 5: Solve for x
    x = 91,280,996,993.79/394,255.81
  6. Step 6: Final answer
    x = 231,527.34

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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.