Home / 200,633.54-276,872.51-109,987.85

Finding the Fourth Proportional to 200,633.54, 276,872.51 and 109,987.85

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Solution

The fourth proportional to 200,633.54, 276,872.51 and 109,987.85 is: 151,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,633.54 : 276,872.51 = 109,987.85 : x
  2. Step 2: Convert to fraction form
    200,633.54/276,872.51 = 109,987.85/x
  3. Step 3: Cross multiply
    200,633.54x = 276,872.51 × 109,987.85
  4. Step 4: Simplify right side
    200,633.54x = 30,452,613,066.15
  5. Step 5: Solve for x
    x = 30,452,613,066.15/200,633.54
  6. Step 6: Final answer
    x = 151,782.27

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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.