Home / 214,018.60-321,159.12-95,789.92

Finding the Fourth Proportional to 214,018.60, 321,159.12 and 95,789.92

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Solution

The fourth proportional to 214,018.60, 321,159.12 and 95,789.92 is: 143,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,018.60 : 321,159.12 = 95,789.92 : x
  2. Step 2: Convert to fraction form
    214,018.60/321,159.12 = 95,789.92/x
  3. Step 3: Cross multiply
    214,018.60x = 321,159.12 × 95,789.92
  4. Step 4: Simplify right side
    214,018.60x = 30,763,806,412.07
  5. Step 5: Solve for x
    x = 30,763,806,412.07/214,018.60
  6. Step 6: Final answer
    x = 143,743.61

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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.