Home / 187,825.23-259,199.60-102,943.71

Finding the Fourth Proportional to 187,825.23, 259,199.60 and 102,943.71

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Solution

The fourth proportional to 187,825.23, 259,199.60 and 102,943.71 is: 142,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,825.23 : 259,199.60 = 102,943.71 : x
  2. Step 2: Convert to fraction form
    187,825.23/259,199.60 = 102,943.71/x
  3. Step 3: Cross multiply
    187,825.23x = 259,199.60 × 102,943.71
  4. Step 4: Simplify right side
    187,825.23x = 26,682,967,939.80
  5. Step 5: Solve for x
    x = 26,682,967,939.80/187,825.23
  6. Step 6: Final answer
    x = 142,062.75

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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.