Home / 187,866.50-259,273.70-107,306.06

Finding the Fourth Proportional to 187,866.50, 259,273.70 and 107,306.06

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Solution

The fourth proportional to 187,866.50, 259,273.70 and 107,306.06 is: 148,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,866.50 : 259,273.70 = 107,306.06 : x
  2. Step 2: Convert to fraction form
    187,866.50/259,273.70 = 107,306.06/x
  3. Step 3: Cross multiply
    187,866.50x = 259,273.70 × 107,306.06
  4. Step 4: Simplify right side
    187,866.50x = 27,821,639,208.62
  5. Step 5: Solve for x
    x = 27,821,639,208.62/187,866.50
  6. Step 6: Final answer
    x = 148,092.60

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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.