Home / 188,086.26-259,559.03-107,515.52

Finding the Fourth Proportional to 188,086.26, 259,559.03 and 107,515.52

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Solution

The fourth proportional to 188,086.26, 259,559.03 and 107,515.52 is: 148,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,086.26 : 259,559.03 = 107,515.52 : x
  2. Step 2: Convert to fraction form
    188,086.26/259,559.03 = 107,515.52/x
  3. Step 3: Cross multiply
    188,086.26x = 259,559.03 × 107,515.52
  4. Step 4: Simplify right side
    188,086.26x = 27,906,622,245.77
  5. Step 5: Solve for x
    x = 27,906,622,245.77/188,086.26
  6. Step 6: Final answer
    x = 148,371.40

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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.