Home / 327,059.10-451,301.22-189,261.72

Finding the Fourth Proportional to 327,059.10, 451,301.22 and 189,261.72

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Solution

The fourth proportional to 327,059.10, 451,301.22 and 189,261.72 is: 261,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,059.10 : 451,301.22 = 189,261.72 : x
  2. Step 2: Convert to fraction form
    327,059.10/451,301.22 = 189,261.72/x
  3. Step 3: Cross multiply
    327,059.10x = 451,301.22 × 189,261.72
  4. Step 4: Simplify right side
    327,059.10x = 85,414,045,135.30
  5. Step 5: Solve for x
    x = 85,414,045,135.30/327,059.10
  6. Step 6: Final answer
    x = 261,157.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.