Home / 199,738.62-275,641.38-109,097.19

Finding the Fourth Proportional to 199,738.62, 275,641.38 and 109,097.19

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Solution

The fourth proportional to 199,738.62, 275,641.38 and 109,097.19 is: 150,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,738.62 : 275,641.38 = 109,097.19 : x
  2. Step 2: Convert to fraction form
    199,738.62/275,641.38 = 109,097.19/x
  3. Step 3: Cross multiply
    199,738.62x = 275,641.38 × 109,097.19
  4. Step 4: Simplify right side
    199,738.62x = 30,071,700,005.72
  5. Step 5: Solve for x
    x = 30,071,700,005.72/199,738.62
  6. Step 6: Final answer
    x = 150,555.26

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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.