Home / 199,621.43-275,473.19-108,973.92

Finding the Fourth Proportional to 199,621.43, 275,473.19 and 108,973.92

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Solution

The fourth proportional to 199,621.43, 275,473.19 and 108,973.92 is: 150,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,621.43 : 275,473.19 = 108,973.92 : x
  2. Step 2: Convert to fraction form
    199,621.43/275,473.19 = 108,973.92/x
  3. Step 3: Cross multiply
    199,621.43x = 275,473.19 × 108,973.92
  4. Step 4: Simplify right side
    199,621.43x = 30,019,392,824.34
  5. Step 5: Solve for x
    x = 30,019,392,824.34/199,621.43
  6. Step 6: Final answer
    x = 150,381.62

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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.