Home / 394,629.76-592,033.28-114,168.80

Finding the Fourth Proportional to 394,629.76, 592,033.28 and 114,168.80

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Solution

The fourth proportional to 394,629.76, 592,033.28 and 114,168.80 is: 171,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,629.76 : 592,033.28 = 114,168.80 : x
  2. Step 2: Convert to fraction form
    394,629.76/592,033.28 = 114,168.80/x
  3. Step 3: Cross multiply
    394,629.76x = 592,033.28 × 114,168.80
  4. Step 4: Simplify right side
    394,629.76x = 67,591,729,137.66
  5. Step 5: Solve for x
    x = 67,591,729,137.66/394,629.76
  6. Step 6: Final answer
    x = 171,278.84

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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.