Home / 199,412.57-275,192.62-108,768.53

Finding the Fourth Proportional to 199,412.57, 275,192.62 and 108,768.53

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Solution

The fourth proportional to 199,412.57, 275,192.62 and 108,768.53 is: 150,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,412.57 : 275,192.62 = 108,768.53 : x
  2. Step 2: Convert to fraction form
    199,412.57/275,192.62 = 108,768.53/x
  3. Step 3: Cross multiply
    199,412.57x = 275,192.62 × 108,768.53
  4. Step 4: Simplify right side
    199,412.57x = 29,932,297,160.31
  5. Step 5: Solve for x
    x = 29,932,297,160.31/199,412.57
  6. Step 6: Final answer
    x = 150,102.36

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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.