Home / 200,189.36-276,249.38-109,527.26

Finding the Fourth Proportional to 200,189.36, 276,249.38 and 109,527.26

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Solution

The fourth proportional to 200,189.36, 276,249.38 and 109,527.26 is: 151,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,189.36 : 276,249.38 = 109,527.26 : x
  2. Step 2: Convert to fraction form
    200,189.36/276,249.38 = 109,527.26/x
  3. Step 3: Cross multiply
    200,189.36x = 276,249.38 × 109,527.26
  4. Step 4: Simplify right side
    200,189.36x = 30,256,837,668.10
  5. Step 5: Solve for x
    x = 30,256,837,668.10/200,189.36
  6. Step 6: Final answer
    x = 151,141.09

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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.