Home / 188,108.63-259,586.37-106,436.03

Finding the Fourth Proportional to 188,108.63, 259,586.37 and 106,436.03

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Solution

The fourth proportional to 188,108.63, 259,586.37 and 106,436.03 is: 146,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,108.63 : 259,586.37 = 106,436.03 : x
  2. Step 2: Convert to fraction form
    188,108.63/259,586.37 = 106,436.03/x
  3. Step 3: Cross multiply
    188,108.63x = 259,586.37 × 106,436.03
  4. Step 4: Simplify right side
    188,108.63x = 27,629,341,366.98
  5. Step 5: Solve for x
    x = 27,629,341,366.98/188,108.63
  6. Step 6: Final answer
    x = 146,879.71

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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.