Home / 214,175.60-321,279.32-64,403.90

Finding the Fourth Proportional to 214,175.60, 321,279.32 and 64,403.90

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Solution

The fourth proportional to 214,175.60, 321,279.32 and 64,403.90 is: 96,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,175.60 : 321,279.32 = 64,403.90 : x
  2. Step 2: Convert to fraction form
    214,175.60/321,279.32 = 64,403.90/x
  3. Step 3: Cross multiply
    214,175.60x = 321,279.32 × 64,403.90
  4. Step 4: Simplify right side
    214,175.60x = 20,691,639,751.96
  5. Step 5: Solve for x
    x = 20,691,639,751.96/214,175.60
  6. Step 6: Final answer
    x = 96,610.63

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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.