Home / 321,097.82-443,115.02-177,867.14

Finding the Fourth Proportional to 321,097.82, 443,115.02 and 177,867.14

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Solution

The fourth proportional to 321,097.82, 443,115.02 and 177,867.14 is: 245,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,097.82 : 443,115.02 = 177,867.14 : x
  2. Step 2: Convert to fraction form
    321,097.82/443,115.02 = 177,867.14/x
  3. Step 3: Cross multiply
    321,097.82x = 443,115.02 × 177,867.14
  4. Step 4: Simplify right side
    321,097.82x = 78,815,601,298.44
  5. Step 5: Solve for x
    x = 78,815,601,298.44/321,097.82
  6. Step 6: Final answer
    x = 245,456.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.