Home / 135,201.89-202,787.34-35,371.72

Finding the Fourth Proportional to 135,201.89, 202,787.34 and 35,371.72

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Solution

The fourth proportional to 135,201.89, 202,787.34 and 35,371.72 is: 53,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,201.89 : 202,787.34 = 35,371.72 : x
  2. Step 2: Convert to fraction form
    135,201.89/202,787.34 = 35,371.72/x
  3. Step 3: Cross multiply
    135,201.89x = 202,787.34 × 35,371.72
  4. Step 4: Simplify right side
    135,201.89x = 7,172,936,436.73
  5. Step 5: Solve for x
    x = 7,172,936,436.73/135,201.89
  6. Step 6: Final answer
    x = 53,053.52

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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.