Home / 227,629.20-340,666.20-199,635.60

Finding the Fourth Proportional to 227,629.20, 340,666.20 and 199,635.60

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Solution

The fourth proportional to 227,629.20, 340,666.20 and 199,635.60 is: 298,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,629.20 : 340,666.20 = 199,635.60 : x
  2. Step 2: Convert to fraction form
    227,629.20/340,666.20 = 199,635.60/x
  3. Step 3: Cross multiply
    227,629.20x = 340,666.20 × 199,635.60
  4. Step 4: Simplify right side
    227,629.20x = 68,009,101,236.72
  5. Step 5: Solve for x
    x = 68,009,101,236.72/227,629.20
  6. Step 6: Final answer
    x = 298,771.43

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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.