Home / 183,414.40-274,961.60-71,171.20

Finding the Fourth Proportional to 183,414.40, 274,961.60 and 71,171.20

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Solution

The fourth proportional to 183,414.40, 274,961.60 and 71,171.20 is: 106,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,414.40 : 274,961.60 = 71,171.20 : x
  2. Step 2: Convert to fraction form
    183,414.40/274,961.60 = 71,171.20/x
  3. Step 3: Cross multiply
    183,414.40x = 274,961.60 × 71,171.20
  4. Step 4: Simplify right side
    183,414.40x = 19,569,347,025.92
  5. Step 5: Solve for x
    x = 19,569,347,025.92/183,414.40
  6. Step 6: Final answer
    x = 106,694.71

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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.