Home / 135,576.56-203,381.85-40,791.98

Finding the Fourth Proportional to 135,576.56, 203,381.85 and 40,791.98

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Solution

The fourth proportional to 135,576.56, 203,381.85 and 40,791.98 is: 61,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,576.56 : 203,381.85 = 40,791.98 : x
  2. Step 2: Convert to fraction form
    135,576.56/203,381.85 = 40,791.98/x
  3. Step 3: Cross multiply
    135,576.56x = 203,381.85 × 40,791.98
  4. Step 4: Simplify right side
    135,576.56x = 8,296,348,357.56
  5. Step 5: Solve for x
    x = 8,296,348,357.56/135,576.56
  6. Step 6: Final answer
    x = 61,193.09

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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.