Home / 394,266.60-591,335.19-109,976.49

Finding the Fourth Proportional to 394,266.60, 591,335.19 and 109,976.49

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Solution

The fourth proportional to 394,266.60, 591,335.19 and 109,976.49 is: 164,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,266.60 : 591,335.19 = 109,976.49 : x
  2. Step 2: Convert to fraction form
    394,266.60/591,335.19 = 109,976.49/x
  3. Step 3: Cross multiply
    394,266.60x = 591,335.19 × 109,976.49
  4. Step 4: Simplify right side
    394,266.60x = 65,032,968,609.68
  5. Step 5: Solve for x
    x = 65,032,968,609.68/394,266.60
  6. Step 6: Final answer
    x = 164,946.68

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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.