Home / 188,102.89-259,586.27-107,537.86

Finding the Fourth Proportional to 188,102.89, 259,586.27 and 107,537.86

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Solution

The fourth proportional to 188,102.89, 259,586.27 and 107,537.86 is: 148,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,102.89 : 259,586.27 = 107,537.86 : x
  2. Step 2: Convert to fraction form
    188,102.89/259,586.27 = 107,537.86/x
  3. Step 3: Cross multiply
    188,102.89x = 259,586.27 × 107,537.86
  4. Step 4: Simplify right side
    188,102.89x = 27,915,351,961.18
  5. Step 5: Solve for x
    x = 27,915,351,961.18/188,102.89
  6. Step 6: Final answer
    x = 148,404.69

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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.