Home / 159,096.43-219,553.90-87,481.07

Finding the Fourth Proportional to 159,096.43, 219,553.90 and 87,481.07

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Solution

The fourth proportional to 159,096.43, 219,553.90 and 87,481.07 is: 120,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,096.43 : 219,553.90 = 87,481.07 : x
  2. Step 2: Convert to fraction form
    159,096.43/219,553.90 = 87,481.07/x
  3. Step 3: Cross multiply
    159,096.43x = 219,553.90 × 87,481.07
  4. Step 4: Simplify right side
    159,096.43x = 19,206,810,094.67
  5. Step 5: Solve for x
    x = 19,206,810,094.67/159,096.43
  6. Step 6: Final answer
    x = 120,724.33

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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.