Home / 135,307.26-202,785.21-55,251.50

Finding the Fourth Proportional to 135,307.26, 202,785.21 and 55,251.50

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Solution

The fourth proportional to 135,307.26, 202,785.21 and 55,251.50 is: 82,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,307.26 : 202,785.21 = 55,251.50 : x
  2. Step 2: Convert to fraction form
    135,307.26/202,785.21 = 55,251.50/x
  3. Step 3: Cross multiply
    135,307.26x = 202,785.21 × 55,251.50
  4. Step 4: Simplify right side
    135,307.26x = 11,204,186,016.39
  5. Step 5: Solve for x
    x = 11,204,186,016.39/135,307.26
  6. Step 6: Final answer
    x = 82,805.51

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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.