Home / 214,976.40-321,850.20-132,032.40

Finding the Fourth Proportional to 214,976.40, 321,850.20 and 132,032.40

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Solution

The fourth proportional to 214,976.40, 321,850.20 and 132,032.40 is: 197,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,976.40 : 321,850.20 = 132,032.40 : x
  2. Step 2: Convert to fraction form
    214,976.40/321,850.20 = 132,032.40/x
  3. Step 3: Cross multiply
    214,976.40x = 321,850.20 × 132,032.40
  4. Step 4: Simplify right side
    214,976.40x = 42,494,654,346.48
  5. Step 5: Solve for x
    x = 42,494,654,346.48/214,976.40
  6. Step 6: Final answer
    x = 197,671.25

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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.