Home / 135,727.04-187,180.56-84,744.44

Finding the Fourth Proportional to 135,727.04, 187,180.56 and 84,744.44

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Solution

The fourth proportional to 135,727.04, 187,180.56 and 84,744.44 is: 116,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,727.04 : 187,180.56 = 84,744.44 : x
  2. Step 2: Convert to fraction form
    135,727.04/187,180.56 = 84,744.44/x
  3. Step 3: Cross multiply
    135,727.04x = 187,180.56 × 84,744.44
  4. Step 4: Simplify right side
    135,727.04x = 15,862,511,736.09
  5. Step 5: Solve for x
    x = 15,862,511,736.09/135,727.04
  6. Step 6: Final answer
    x = 116,870.68

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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.