Home / 187,662.24-258,976.08-107,100.72

Finding the Fourth Proportional to 187,662.24, 258,976.08 and 107,100.72

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Solution

The fourth proportional to 187,662.24, 258,976.08 and 107,100.72 is: 147,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,662.24 : 258,976.08 = 107,100.72 : x
  2. Step 2: Convert to fraction form
    187,662.24/258,976.08 = 107,100.72/x
  3. Step 3: Cross multiply
    187,662.24x = 258,976.08 × 107,100.72
  4. Step 4: Simplify right side
    187,662.24x = 27,736,524,630.78
  5. Step 5: Solve for x
    x = 27,736,524,630.78/187,662.24
  6. Step 6: Final answer
    x = 147,800.24

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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.