Home / 187,959.22-259,359.82-107,391.96

Finding the Fourth Proportional to 187,959.22, 259,359.82 and 107,391.96

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Solution

The fourth proportional to 187,959.22, 259,359.82 and 107,391.96 is: 148,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,959.22 : 259,359.82 = 107,391.96 : x
  2. Step 2: Convert to fraction form
    187,959.22/259,359.82 = 107,391.96/x
  3. Step 3: Cross multiply
    187,959.22x = 259,359.82 × 107,391.96
  4. Step 4: Simplify right side
    187,959.22x = 27,853,159,415.05
  5. Step 5: Solve for x
    x = 27,853,159,415.05/187,959.22
  6. Step 6: Final answer
    x = 148,187.25

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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.