Home / 126,134.68-189,220.26-41,866.24

Finding the Fourth Proportional to 126,134.68, 189,220.26 and 41,866.24

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Solution

The fourth proportional to 126,134.68, 189,220.26 and 41,866.24 is: 62,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,134.68 : 189,220.26 = 41,866.24 : x
  2. Step 2: Convert to fraction form
    126,134.68/189,220.26 = 41,866.24/x
  3. Step 3: Cross multiply
    126,134.68x = 189,220.26 × 41,866.24
  4. Step 4: Simplify right side
    126,134.68x = 7,921,940,818.02
  5. Step 5: Solve for x
    x = 7,921,940,818.02/126,134.68
  6. Step 6: Final answer
    x = 62,805.41

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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.