Home / 214,604.82-321,964.62-74,363.46

Finding the Fourth Proportional to 214,604.82, 321,964.62 and 74,363.46

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Solution

The fourth proportional to 214,604.82, 321,964.62 and 74,363.46 is: 111,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,604.82 : 321,964.62 = 74,363.46 : x
  2. Step 2: Convert to fraction form
    214,604.82/321,964.62 = 74,363.46/x
  3. Step 3: Cross multiply
    214,604.82x = 321,964.62 × 74,363.46
  4. Step 4: Simplify right side
    214,604.82x = 23,942,403,140.79
  5. Step 5: Solve for x
    x = 23,942,403,140.79/214,604.82
  6. Step 6: Final answer
    x = 111,565.08

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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.