Home / 214,530.48-321,793.22-52,425.88

Finding the Fourth Proportional to 214,530.48, 321,793.22 and 52,425.88

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Solution

The fourth proportional to 214,530.48, 321,793.22 and 52,425.88 is: 78,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,530.48 : 321,793.22 = 52,425.88 : x
  2. Step 2: Convert to fraction form
    214,530.48/321,793.22 = 52,425.88/x
  3. Step 3: Cross multiply
    214,530.48x = 321,793.22 × 52,425.88
  4. Step 4: Simplify right side
    214,530.48x = 16,870,292,063.12
  5. Step 5: Solve for x
    x = 16,870,292,063.12/214,530.48
  6. Step 6: Final answer
    x = 78,638.21

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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.