Home / 199,713.20-275,605.74-109,067.51

Finding the Fourth Proportional to 199,713.20, 275,605.74 and 109,067.51

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Solution

The fourth proportional to 199,713.20, 275,605.74 and 109,067.51 is: 150,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,713.20 : 275,605.74 = 109,067.51 : x
  2. Step 2: Convert to fraction form
    199,713.20/275,605.74 = 109,067.51/x
  3. Step 3: Cross multiply
    199,713.20x = 275,605.74 × 109,067.51
  4. Step 4: Simplify right side
    199,713.20x = 30,059,632,492.52
  5. Step 5: Solve for x
    x = 30,059,632,492.52/199,713.20
  6. Step 6: Final answer
    x = 150,514.00

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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.