Home / 187,282.98-258,387.21-106,653.33

Finding the Fourth Proportional to 187,282.98, 258,387.21 and 106,653.33

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Solution

The fourth proportional to 187,282.98, 258,387.21 and 106,653.33 is: 147,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,282.98 : 258,387.21 = 106,653.33 : x
  2. Step 2: Convert to fraction form
    187,282.98/258,387.21 = 106,653.33/x
  3. Step 3: Cross multiply
    187,282.98x = 258,387.21 × 106,653.33
  4. Step 4: Simplify right side
    187,282.98x = 27,557,856,375.91
  5. Step 5: Solve for x
    x = 27,557,856,375.91/187,282.98
  6. Step 6: Final answer
    x = 147,145.55

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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.