Home / 204,824.80-307,237.20-203,512.60

Finding the Fourth Proportional to 204,824.80, 307,237.20 and 203,512.60

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Solution

The fourth proportional to 204,824.80, 307,237.20 and 203,512.60 is: 305,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,824.80 : 307,237.20 = 203,512.60 : x
  2. Step 2: Convert to fraction form
    204,824.80/307,237.20 = 203,512.60/x
  3. Step 3: Cross multiply
    204,824.80x = 307,237.20 × 203,512.60
  4. Step 4: Simplify right side
    204,824.80x = 62,526,641,388.72
  5. Step 5: Solve for x
    x = 62,526,641,388.72/204,824.80
  6. Step 6: Final answer
    x = 305,268.90

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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.