Home / 227,634.20-340,673.70-199,640.60

Finding the Fourth Proportional to 227,634.20, 340,673.70 and 199,640.60

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Solution

The fourth proportional to 227,634.20, 340,673.70 and 199,640.60 is: 298,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,634.20 : 340,673.70 = 199,640.60 : x
  2. Step 2: Convert to fraction form
    227,634.20/340,673.70 = 199,640.60/x
  3. Step 3: Cross multiply
    227,634.20x = 340,673.70 × 199,640.60
  4. Step 4: Simplify right side
    227,634.20x = 68,012,301,872.22
  5. Step 5: Solve for x
    x = 68,012,301,872.22/227,634.20
  6. Step 6: Final answer
    x = 298,778.93

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1.5x scale

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.