Home / 214,489.28-321,736.22-64,730.91

Finding the Fourth Proportional to 214,489.28, 321,736.22 and 64,730.91

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Solution

The fourth proportional to 214,489.28, 321,736.22 and 64,730.91 is: 97,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,489.28 : 321,736.22 = 64,730.91 : x
  2. Step 2: Convert to fraction form
    214,489.28/321,736.22 = 64,730.91/x
  3. Step 3: Cross multiply
    214,489.28x = 321,736.22 × 64,730.91
  4. Step 4: Simplify right side
    214,489.28x = 20,826,279,426.16
  5. Step 5: Solve for x
    x = 20,826,279,426.16/214,489.28
  6. Step 6: Final answer
    x = 97,097.06

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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.