Home / 214,359.66-321,554.07-74,129.22

Finding the Fourth Proportional to 214,359.66, 321,554.07 and 74,129.22

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Solution

The fourth proportional to 214,359.66, 321,554.07 and 74,129.22 is: 111,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,359.66 : 321,554.07 = 74,129.22 : x
  2. Step 2: Convert to fraction form
    214,359.66/321,554.07 = 74,129.22/x
  3. Step 3: Cross multiply
    214,359.66x = 321,554.07 × 74,129.22
  4. Step 4: Simplify right side
    214,359.66x = 23,836,552,396.93
  5. Step 5: Solve for x
    x = 23,836,552,396.93/214,359.66
  6. Step 6: Final answer
    x = 111,198.87

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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.