Home / 232,730.20-321,319.74-178,915.96

Finding the Fourth Proportional to 232,730.20, 321,319.74 and 178,915.96

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Solution

The fourth proportional to 232,730.20, 321,319.74 and 178,915.96 is: 247,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,730.20 : 321,319.74 = 178,915.96 : x
  2. Step 2: Convert to fraction form
    232,730.20/321,319.74 = 178,915.96/x
  3. Step 3: Cross multiply
    232,730.20x = 321,319.74 × 178,915.96
  4. Step 4: Simplify right side
    232,730.20x = 57,489,229,749.05
  5. Step 5: Solve for x
    x = 57,489,229,749.05/232,730.20
  6. Step 6: Final answer
    x = 247,020.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.