Home / 126,633.96-189,467.33-110,721.49

Finding the Fourth Proportional to 126,633.96, 189,467.33 and 110,721.49

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Solution

The fourth proportional to 126,633.96, 189,467.33 and 110,721.49 is: 165,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,633.96 : 189,467.33 = 110,721.49 : x
  2. Step 2: Convert to fraction form
    126,633.96/189,467.33 = 110,721.49/x
  3. Step 3: Cross multiply
    126,633.96x = 189,467.33 × 110,721.49
  4. Step 4: Simplify right side
    126,633.96x = 20,978,104,501.27
  5. Step 5: Solve for x
    x = 20,978,104,501.27/126,633.96
  6. Step 6: Final answer
    x = 165,659.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.