Home / 200,449.09-276,616.24-109,806.85

Finding the Fourth Proportional to 200,449.09, 276,616.24 and 109,806.85

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Solution

The fourth proportional to 200,449.09, 276,616.24 and 109,806.85 is: 151,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,449.09 : 276,616.24 = 109,806.85 : x
  2. Step 2: Convert to fraction form
    200,449.09/276,616.24 = 109,806.85/x
  3. Step 3: Cross multiply
    200,449.09x = 276,616.24 × 109,806.85
  4. Step 4: Simplify right side
    200,449.09x = 30,374,357,973.24
  5. Step 5: Solve for x
    x = 30,374,357,973.24/200,449.09
  6. Step 6: Final answer
    x = 151,531.53

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1.5x scale

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.