Home / 199,864.62-275,816.80-109,224.42

Finding the Fourth Proportional to 199,864.62, 275,816.80 and 109,224.42

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Solution

The fourth proportional to 199,864.62, 275,816.80 and 109,224.42 is: 150,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,864.62 : 275,816.80 = 109,224.42 : x
  2. Step 2: Convert to fraction form
    199,864.62/275,816.80 = 109,224.42/x
  3. Step 3: Cross multiply
    199,864.62x = 275,816.80 × 109,224.42
  4. Step 4: Simplify right side
    199,864.62x = 30,125,930,006.26
  5. Step 5: Solve for x
    x = 30,125,930,006.26/199,864.62
  6. Step 6: Final answer
    x = 150,731.68

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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.