Home / 214,580.04-321,891.30-74,337.72

Finding the Fourth Proportional to 214,580.04, 321,891.30 and 74,337.72

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Solution

The fourth proportional to 214,580.04, 321,891.30 and 74,337.72 is: 111,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,580.04 : 321,891.30 = 74,337.72 : x
  2. Step 2: Convert to fraction form
    214,580.04/321,891.30 = 74,337.72/x
  3. Step 3: Cross multiply
    214,580.04x = 321,891.30 × 74,337.72
  4. Step 4: Simplify right side
    214,580.04x = 23,928,665,329.84
  5. Step 5: Solve for x
    x = 23,928,665,329.84/214,580.04
  6. Step 6: Final answer
    x = 111,513.94

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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.