Home / 159,236.37-219,741.66-87,616.44

Finding the Fourth Proportional to 159,236.37, 219,741.66 and 87,616.44

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Solution

The fourth proportional to 159,236.37, 219,741.66 and 87,616.44 is: 120,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,236.37 : 219,741.66 = 87,616.44 : x
  2. Step 2: Convert to fraction form
    159,236.37/219,741.66 = 87,616.44/x
  3. Step 3: Cross multiply
    159,236.37x = 219,741.66 × 87,616.44
  4. Step 4: Simplify right side
    159,236.37x = 19,252,981,968.89
  5. Step 5: Solve for x
    x = 19,252,981,968.89/159,236.37
  6. Step 6: Final answer
    x = 120,908.19

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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.