Home / 135,042.22-202,198.83-90,573.22

Finding the Fourth Proportional to 135,042.22, 202,198.83 and 90,573.22

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Solution

The fourth proportional to 135,042.22, 202,198.83 and 90,573.22 is: 135,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,042.22 : 202,198.83 = 90,573.22 : x
  2. Step 2: Convert to fraction form
    135,042.22/202,198.83 = 90,573.22/x
  3. Step 3: Cross multiply
    135,042.22x = 202,198.83 × 90,573.22
  4. Step 4: Simplify right side
    135,042.22x = 18,313,799,113.33
  5. Step 5: Solve for x
    x = 18,313,799,113.33/135,042.22
  6. Step 6: Final answer
    x = 135,615.36

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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.