Home / 135,685.98-203,233.05-82,935.54

Finding the Fourth Proportional to 135,685.98, 203,233.05 and 82,935.54

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Solution

The fourth proportional to 135,685.98, 203,233.05 and 82,935.54 is: 124,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,685.98 : 203,233.05 = 82,935.54 : x
  2. Step 2: Convert to fraction form
    135,685.98/203,233.05 = 82,935.54/x
  3. Step 3: Cross multiply
    135,685.98x = 203,233.05 × 82,935.54
  4. Step 4: Simplify right side
    135,685.98x = 16,855,242,747.60
  5. Step 5: Solve for x
    x = 16,855,242,747.60/135,685.98
  6. Step 6: Final answer
    x = 124,222.43

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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.