Home / 187,879.18-259,279.24-102,995.50

Finding the Fourth Proportional to 187,879.18, 259,279.24 and 102,995.50

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Solution

The fourth proportional to 187,879.18, 259,279.24 and 102,995.50 is: 142,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,879.18 : 259,279.24 = 102,995.50 : x
  2. Step 2: Convert to fraction form
    187,879.18/259,279.24 = 102,995.50/x
  3. Step 3: Cross multiply
    187,879.18x = 259,279.24 × 102,995.50
  4. Step 4: Simplify right side
    187,879.18x = 26,704,594,963.42
  5. Step 5: Solve for x
    x = 26,704,594,963.42/187,879.18
  6. Step 6: Final answer
    x = 142,137.06

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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.