Home / 214,601.32-321,959.39-74,359.95

Finding the Fourth Proportional to 214,601.32, 321,959.39 and 74,359.95

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Solution

The fourth proportional to 214,601.32, 321,959.39 and 74,359.95 is: 111,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,601.32 : 321,959.39 = 74,359.95 : x
  2. Step 2: Convert to fraction form
    214,601.32/321,959.39 = 74,359.95/x
  3. Step 3: Cross multiply
    214,601.32x = 321,959.39 × 74,359.95
  4. Step 4: Simplify right side
    214,601.32x = 23,940,884,142.43
  5. Step 5: Solve for x
    x = 23,940,884,142.43/214,601.32
  6. Step 6: Final answer
    x = 111,559.82

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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.