Home / 126,144.70-189,251.08-41,918.48

Finding the Fourth Proportional to 126,144.70, 189,251.08 and 41,918.48

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Solution

The fourth proportional to 126,144.70, 189,251.08 and 41,918.48 is: 62,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,144.70 : 189,251.08 = 41,918.48 : x
  2. Step 2: Convert to fraction form
    126,144.70/189,251.08 = 41,918.48/x
  3. Step 3: Cross multiply
    126,144.70x = 189,251.08 × 41,918.48
  4. Step 4: Simplify right side
    126,144.70x = 7,933,117,611.96
  5. Step 5: Solve for x
    x = 7,933,117,611.96/126,144.70
  6. Step 6: Final answer
    x = 62,889.03

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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.