Home / 214,748.12-321,879.14-109,344.44

Finding the Fourth Proportional to 214,748.12, 321,879.14 and 109,344.44

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Solution

The fourth proportional to 214,748.12, 321,879.14 and 109,344.44 is: 163,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,748.12 : 321,879.14 = 109,344.44 : x
  2. Step 2: Convert to fraction form
    214,748.12/321,879.14 = 109,344.44/x
  3. Step 3: Cross multiply
    214,748.12x = 321,879.14 × 109,344.44
  4. Step 4: Simplify right side
    214,748.12x = 35,195,694,310.98
  5. Step 5: Solve for x
    x = 35,195,694,310.98/214,748.12
  6. Step 6: Final answer
    x = 163,892.91

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1.5x scale

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.