Home / 394,216.20-591,194.70-144,865.80

Finding the Fourth Proportional to 394,216.20, 591,194.70 and 144,865.80

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Solution

The fourth proportional to 394,216.20, 591,194.70 and 144,865.80 is: 217,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,216.20 : 591,194.70 = 144,865.80 : x
  2. Step 2: Convert to fraction form
    394,216.20/591,194.70 = 144,865.80/x
  3. Step 3: Cross multiply
    394,216.20x = 591,194.70 × 144,865.80
  4. Step 4: Simplify right side
    394,216.20x = 85,643,893,171.26
  5. Step 5: Solve for x
    x = 85,643,893,171.26/394,216.20
  6. Step 6: Final answer
    x = 217,251.07

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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.