Home / 188,125.16-259,538.82-107,509.44

Finding the Fourth Proportional to 188,125.16, 259,538.82 and 107,509.44

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Solution

The fourth proportional to 188,125.16, 259,538.82 and 107,509.44 is: 148,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,125.16 : 259,538.82 = 107,509.44 : x
  2. Step 2: Convert to fraction form
    188,125.16/259,538.82 = 107,509.44/x
  3. Step 3: Cross multiply
    188,125.16x = 259,538.82 × 107,509.44
  4. Step 4: Simplify right side
    188,125.16x = 27,902,872,668.09
  5. Step 5: Solve for x
    x = 27,902,872,668.09/188,125.16
  6. Step 6: Final answer
    x = 148,320.79

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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.