Home / 200,322.27-276,434.24-109,660.88

Finding the Fourth Proportional to 200,322.27, 276,434.24 and 109,660.88

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Solution

The fourth proportional to 200,322.27, 276,434.24 and 109,660.88 is: 151,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,322.27 : 276,434.24 = 109,660.88 : x
  2. Step 2: Convert to fraction form
    200,322.27/276,434.24 = 109,660.88/x
  3. Step 3: Cross multiply
    200,322.27x = 276,434.24 × 109,660.88
  4. Step 4: Simplify right side
    200,322.27x = 30,314,021,126.68
  5. Step 5: Solve for x
    x = 30,314,021,126.68/200,322.27
  6. Step 6: Final answer
    x = 151,326.27

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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.