Home / 187,958.22-259,358.44-107,390.96

Finding the Fourth Proportional to 187,958.22, 259,358.44 and 107,390.96

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Solution

The fourth proportional to 187,958.22, 259,358.44 and 107,390.96 is: 148,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,958.22 : 259,358.44 = 107,390.96 : x
  2. Step 2: Convert to fraction form
    187,958.22/259,358.44 = 107,390.96/x
  3. Step 3: Cross multiply
    187,958.22x = 259,358.44 × 107,390.96
  4. Step 4: Simplify right side
    187,958.22x = 27,852,751,665.74
  5. Step 5: Solve for x
    x = 27,852,751,665.74/187,958.22
  6. Step 6: Final answer
    x = 148,185.87

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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.