Home / 187,751.19-259,086.74-107,175.51

Finding the Fourth Proportional to 187,751.19, 259,086.74 and 107,175.51

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Solution

The fourth proportional to 187,751.19, 259,086.74 and 107,175.51 is: 147,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,751.19 : 259,086.74 = 107,175.51 : x
  2. Step 2: Convert to fraction form
    187,751.19/259,086.74 = 107,175.51/x
  3. Step 3: Cross multiply
    187,751.19x = 259,086.74 × 107,175.51
  4. Step 4: Simplify right side
    187,751.19x = 27,767,752,957.86
  5. Step 5: Solve for x
    x = 27,767,752,957.86/187,751.19
  6. Step 6: Final answer
    x = 147,896.55

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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.