Home / 204,819.70-307,229.55-111,277.30

Finding the Fourth Proportional to 204,819.70, 307,229.55 and 111,277.30

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Solution

The fourth proportional to 204,819.70, 307,229.55 and 111,277.30 is: 166,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,819.70 : 307,229.55 = 111,277.30 : x
  2. Step 2: Convert to fraction form
    204,819.70/307,229.55 = 111,277.30/x
  3. Step 3: Cross multiply
    204,819.70x = 307,229.55 × 111,277.30
  4. Step 4: Simplify right side
    204,819.70x = 34,187,674,804.22
  5. Step 5: Solve for x
    x = 34,187,674,804.22/204,819.70
  6. Step 6: Final answer
    x = 166,915.95

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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.