Home / 187,932.80-259,349.44-107,371.04

Finding the Fourth Proportional to 187,932.80, 259,349.44 and 107,371.04

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Solution

The fourth proportional to 187,932.80, 259,349.44 and 107,371.04 is: 148,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,932.80 : 259,349.44 = 107,371.04 : x
  2. Step 2: Convert to fraction form
    187,932.80/259,349.44 = 107,371.04/x
  3. Step 3: Cross multiply
    187,932.80x = 259,349.44 × 107,371.04
  4. Step 4: Simplify right side
    187,932.80x = 27,846,619,096.22
  5. Step 5: Solve for x
    x = 27,846,619,096.22/187,932.80
  6. Step 6: Final answer
    x = 148,173.28

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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.