Home / 135,883.38-203,732.03-69,194.42

Finding the Fourth Proportional to 135,883.38, 203,732.03 and 69,194.42

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Solution

The fourth proportional to 135,883.38, 203,732.03 and 69,194.42 is: 103,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,883.38 : 203,732.03 = 69,194.42 : x
  2. Step 2: Convert to fraction form
    135,883.38/203,732.03 = 69,194.42/x
  3. Step 3: Cross multiply
    135,883.38x = 203,732.03 × 69,194.42
  4. Step 4: Simplify right side
    135,883.38x = 14,097,119,651.27
  5. Step 5: Solve for x
    x = 14,097,119,651.27/135,883.38
  6. Step 6: Final answer
    x = 103,744.25

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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.