Home / 187,883.26-259,295.25-103,016.86

Finding the Fourth Proportional to 187,883.26, 259,295.25 and 103,016.86

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Solution

The fourth proportional to 187,883.26, 259,295.25 and 103,016.86 is: 142,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,883.26 : 259,295.25 = 103,016.86 : x
  2. Step 2: Convert to fraction form
    187,883.26/259,295.25 = 103,016.86/x
  3. Step 3: Cross multiply
    187,883.26x = 259,295.25 × 103,016.86
  4. Step 4: Simplify right side
    187,883.26x = 26,711,782,467.92
  5. Step 5: Solve for x
    x = 26,711,782,467.92/187,883.26
  6. Step 6: Final answer
    x = 142,172.23

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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.