Home / 237,321.60-355,867.20-132,028.80

Finding the Fourth Proportional to 237,321.60, 355,867.20 and 132,028.80

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Solution

The fourth proportional to 237,321.60, 355,867.20 and 132,028.80 is: 197,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,321.60 : 355,867.20 = 132,028.80 : x
  2. Step 2: Convert to fraction form
    237,321.60/355,867.20 = 132,028.80/x
  3. Step 3: Cross multiply
    237,321.60x = 355,867.20 × 132,028.80
  4. Step 4: Simplify right side
    237,321.60x = 46,984,719,375.36
  5. Step 5: Solve for x
    x = 46,984,719,375.36/237,321.60
  6. Step 6: Final answer
    x = 197,979.11

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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.