Home / 187,550.52-258,826.86-106,991.16

Finding the Fourth Proportional to 187,550.52, 258,826.86 and 106,991.16

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Solution

The fourth proportional to 187,550.52, 258,826.86 and 106,991.16 is: 147,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,550.52 : 258,826.86 = 106,991.16 : x
  2. Step 2: Convert to fraction form
    187,550.52/258,826.86 = 106,991.16/x
  3. Step 3: Cross multiply
    187,550.52x = 258,826.86 × 106,991.16
  4. Step 4: Simplify right side
    187,550.52x = 27,692,185,990.56
  5. Step 5: Solve for x
    x = 27,692,185,990.56/187,550.52
  6. Step 6: Final answer
    x = 147,651.88

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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.