Home / 135,335.33-186,759.97-74,902.37

Finding the Fourth Proportional to 135,335.33, 186,759.97 and 74,902.37

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Solution

The fourth proportional to 135,335.33, 186,759.97 and 74,902.37 is: 103,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,335.33 : 186,759.97 = 74,902.37 : x
  2. Step 2: Convert to fraction form
    135,335.33/186,759.97 = 74,902.37/x
  3. Step 3: Cross multiply
    135,335.33x = 186,759.97 × 74,902.37
  4. Step 4: Simplify right side
    135,335.33x = 13,988,763,999.62
  5. Step 5: Solve for x
    x = 13,988,763,999.62/135,335.33
  6. Step 6: Final answer
    x = 103,363.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.