Home / 135,447.30-203,049.92-64,326.06

Finding the Fourth Proportional to 135,447.30, 203,049.92 and 64,326.06

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Solution

The fourth proportional to 135,447.30, 203,049.92 and 64,326.06 is: 96,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,447.30 : 203,049.92 = 64,326.06 : x
  2. Step 2: Convert to fraction form
    135,447.30/203,049.92 = 64,326.06/x
  3. Step 3: Cross multiply
    135,447.30x = 203,049.92 × 64,326.06
  4. Step 4: Simplify right side
    135,447.30x = 13,061,401,015.28
  5. Step 5: Solve for x
    x = 13,061,401,015.28/135,447.30
  6. Step 6: Final answer
    x = 96,431.61

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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.