Home / 135,087.20-202,339.20-111,759.20

Finding the Fourth Proportional to 135,087.20, 202,339.20 and 111,759.20

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Solution

The fourth proportional to 135,087.20, 202,339.20 and 111,759.20 is: 167,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,087.20 : 202,339.20 = 111,759.20 : x
  2. Step 2: Convert to fraction form
    135,087.20/202,339.20 = 111,759.20/x
  3. Step 3: Cross multiply
    135,087.20x = 202,339.20 × 111,759.20
  4. Step 4: Simplify right side
    135,087.20x = 22,613,267,120.64
  5. Step 5: Solve for x
    x = 22,613,267,120.64/135,087.20
  6. Step 6: Final answer
    x = 167,397.56

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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.