Home / 199,716.92-275,607.94-109,072.90

Finding the Fourth Proportional to 199,716.92, 275,607.94 and 109,072.90

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Solution

The fourth proportional to 199,716.92, 275,607.94 and 109,072.90 is: 150,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,716.92 : 275,607.94 = 109,072.90 : x
  2. Step 2: Convert to fraction form
    199,716.92/275,607.94 = 109,072.90/x
  3. Step 3: Cross multiply
    199,716.92x = 275,607.94 × 109,072.90
  4. Step 4: Simplify right side
    199,716.92x = 30,061,358,637.08
  5. Step 5: Solve for x
    x = 30,061,358,637.08/199,716.92
  6. Step 6: Final answer
    x = 150,519.84

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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.