Home / 227,629.62-341,481.53-85,485.96

Finding the Fourth Proportional to 227,629.62, 341,481.53 and 85,485.96

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Solution

The fourth proportional to 227,629.62, 341,481.53 and 85,485.96 is: 128,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,629.62 : 341,481.53 = 85,485.96 : x
  2. Step 2: Convert to fraction form
    227,629.62/341,481.53 = 85,485.96/x
  3. Step 3: Cross multiply
    227,629.62x = 341,481.53 × 85,485.96
  4. Step 4: Simplify right side
    227,629.62x = 29,191,876,414.32
  5. Step 5: Solve for x
    x = 29,191,876,414.32/227,629.62
  6. Step 6: Final answer
    x = 128,242.87

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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.