Home / 187,910.43-259,326.99-111,474.78

Finding the Fourth Proportional to 187,910.43, 259,326.99 and 111,474.78

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Solution

The fourth proportional to 187,910.43, 259,326.99 and 111,474.78 is: 153,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,910.43 : 259,326.99 = 111,474.78 : x
  2. Step 2: Convert to fraction form
    187,910.43/259,326.99 = 111,474.78/x
  3. Step 3: Cross multiply
    187,910.43x = 259,326.99 × 111,474.78
  4. Step 4: Simplify right side
    187,910.43x = 28,908,419,158.31
  5. Step 5: Solve for x
    x = 28,908,419,158.31/187,910.43
  6. Step 6: Final answer
    x = 153,841.48

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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.