Home / 187,569.09-258,866.15-107,016.48

Finding the Fourth Proportional to 187,569.09, 258,866.15 and 107,016.48

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Solution

The fourth proportional to 187,569.09, 258,866.15 and 107,016.48 is: 147,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,569.09 : 258,866.15 = 107,016.48 : x
  2. Step 2: Convert to fraction form
    187,569.09/258,866.15 = 107,016.48/x
  3. Step 3: Cross multiply
    187,569.09x = 258,866.15 × 107,016.48
  4. Step 4: Simplify right side
    187,569.09x = 27,702,943,629.07
  5. Step 5: Solve for x
    x = 27,702,943,629.07/187,569.09
  6. Step 6: Final answer
    x = 147,694.61

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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.