Home / 200,561.57-276,777.17-109,915.62

Finding the Fourth Proportional to 200,561.57, 276,777.17 and 109,915.62

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Solution

The fourth proportional to 200,561.57, 276,777.17 and 109,915.62 is: 151,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,561.57 : 276,777.17 = 109,915.62 : x
  2. Step 2: Convert to fraction form
    200,561.57/276,777.17 = 109,915.62/x
  3. Step 3: Cross multiply
    200,561.57x = 276,777.17 × 109,915.62
  4. Step 4: Simplify right side
    200,561.57x = 30,422,133,067.09
  5. Step 5: Solve for x
    x = 30,422,133,067.09/200,561.57
  6. Step 6: Final answer
    x = 151,684.76

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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.