Home / 187,866.30-259,257.60-107,304.51

Finding the Fourth Proportional to 187,866.30, 259,257.60 and 107,304.51

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Solution

The fourth proportional to 187,866.30, 259,257.60 and 107,304.51 is: 148,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,866.30 : 259,257.60 = 107,304.51 : x
  2. Step 2: Convert to fraction form
    187,866.30/259,257.60 = 107,304.51/x
  3. Step 3: Cross multiply
    187,866.30x = 259,257.60 × 107,304.51
  4. Step 4: Simplify right side
    187,866.30x = 27,819,509,731.78
  5. Step 5: Solve for x
    x = 27,819,509,731.78/187,866.30
  6. Step 6: Final answer
    x = 148,081.43

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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.