Home / 159,215.09-219,708.65-87,593.27

Finding the Fourth Proportional to 159,215.09, 219,708.65 and 87,593.27

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Solution

The fourth proportional to 159,215.09, 219,708.65 and 87,593.27 is: 120,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,215.09 : 219,708.65 = 87,593.27 : x
  2. Step 2: Convert to fraction form
    159,215.09/219,708.65 = 87,593.27/x
  3. Step 3: Cross multiply
    159,215.09x = 219,708.65 × 87,593.27
  4. Step 4: Simplify right side
    159,215.09x = 19,244,998,221.23
  5. Step 5: Solve for x
    x = 19,244,998,221.23/159,215.09
  6. Step 6: Final answer
    x = 120,874.21

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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.