Home / 199,846.62-275,780.09-109,205.70

Finding the Fourth Proportional to 199,846.62, 275,780.09 and 109,205.70

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Solution

The fourth proportional to 199,846.62, 275,780.09 and 109,205.70 is: 150,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,846.62 : 275,780.09 = 109,205.70 : x
  2. Step 2: Convert to fraction form
    199,846.62/275,780.09 = 109,205.70/x
  3. Step 3: Cross multiply
    199,846.62x = 275,780.09 × 109,205.70
  4. Step 4: Simplify right side
    199,846.62x = 30,116,757,228.48
  5. Step 5: Solve for x
    x = 30,116,757,228.48/199,846.62
  6. Step 6: Final answer
    x = 150,699.36

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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.