Home / 214,383.18-321,589.80-64,624.70

Finding the Fourth Proportional to 214,383.18, 321,589.80 and 64,624.70

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Solution

The fourth proportional to 214,383.18, 321,589.80 and 64,624.70 is: 96,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,383.18 : 321,589.80 = 64,624.70 : x
  2. Step 2: Convert to fraction form
    214,383.18/321,589.80 = 64,624.70/x
  3. Step 3: Cross multiply
    214,383.18x = 321,589.80 × 64,624.70
  4. Step 4: Simplify right side
    214,383.18x = 20,782,644,348.06
  5. Step 5: Solve for x
    x = 20,782,644,348.06/214,383.18
  6. Step 6: Final answer
    x = 96,941.58

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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.