Home / 199,820.71-275,749.32-109,174.73

Finding the Fourth Proportional to 199,820.71, 275,749.32 and 109,174.73

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Solution

The fourth proportional to 199,820.71, 275,749.32 and 109,174.73 is: 150,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,820.71 : 275,749.32 = 109,174.73 : x
  2. Step 2: Convert to fraction form
    199,820.71/275,749.32 = 109,174.73/x
  3. Step 3: Cross multiply
    199,820.71x = 275,749.32 × 109,174.73
  4. Step 4: Simplify right side
    199,820.71x = 30,104,855,634.06
  5. Step 5: Solve for x
    x = 30,104,855,634.06/199,820.71
  6. Step 6: Final answer
    x = 150,659.34

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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.