Home / 159,828.66-220,556.16-91,797.75

Finding the Fourth Proportional to 159,828.66, 220,556.16 and 91,797.75

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Solution

The fourth proportional to 159,828.66, 220,556.16 and 91,797.75 is: 126,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,828.66 : 220,556.16 = 91,797.75 : x
  2. Step 2: Convert to fraction form
    159,828.66/220,556.16 = 91,797.75/x
  3. Step 3: Cross multiply
    159,828.66x = 220,556.16 × 91,797.75
  4. Step 4: Simplify right side
    159,828.66x = 20,246,559,236.64
  5. Step 5: Solve for x
    x = 20,246,559,236.64/159,828.66
  6. Step 6: Final answer
    x = 126,676.65

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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.