Home / 199,731.87-275,632.07-109,090.44

Finding the Fourth Proportional to 199,731.87, 275,632.07 and 109,090.44

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Solution

The fourth proportional to 199,731.87, 275,632.07 and 109,090.44 is: 150,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,731.87 : 275,632.07 = 109,090.44 : x
  2. Step 2: Convert to fraction form
    199,731.87/275,632.07 = 109,090.44/x
  3. Step 3: Cross multiply
    199,731.87x = 275,632.07 × 109,090.44
  4. Step 4: Simplify right side
    199,731.87x = 30,068,823,248.96
  5. Step 5: Solve for x
    x = 30,068,823,248.96/199,731.87
  6. Step 6: Final answer
    x = 150,545.95

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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.