Home / 214,081.08-321,166.68-80,958.36

Finding the Fourth Proportional to 214,081.08, 321,166.68 and 80,958.36

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Solution

The fourth proportional to 214,081.08, 321,166.68 and 80,958.36 is: 121,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,081.08 : 321,166.68 = 80,958.36 : x
  2. Step 2: Convert to fraction form
    214,081.08/321,166.68 = 80,958.36/x
  3. Step 3: Cross multiply
    214,081.08x = 321,166.68 × 80,958.36
  4. Step 4: Simplify right side
    214,081.08x = 26,001,127,699.44
  5. Step 5: Solve for x
    x = 26,001,127,699.44/214,081.08
  6. Step 6: Final answer
    x = 121,454.58

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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.