Home / 214,771.91-321,667.20-102,531.02

Finding the Fourth Proportional to 214,771.91, 321,667.20 and 102,531.02

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Solution

The fourth proportional to 214,771.91, 321,667.20 and 102,531.02 is: 153,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,771.91 : 321,667.20 = 102,531.02 : x
  2. Step 2: Convert to fraction form
    214,771.91/321,667.20 = 102,531.02/x
  3. Step 3: Cross multiply
    214,771.91x = 321,667.20 × 102,531.02
  4. Step 4: Simplify right side
    214,771.91x = 32,980,864,508.21
  5. Step 5: Solve for x
    x = 32,980,864,508.21/214,771.91
  6. Step 6: Final answer
    x = 153,562.29

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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.