Home / 126,041.44-189,140.98-51,161.56

Finding the Fourth Proportional to 126,041.44, 189,140.98 and 51,161.56

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Solution

The fourth proportional to 126,041.44, 189,140.98 and 51,161.56 is: 76,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.44 : 189,140.98 = 51,161.56 : x
  2. Step 2: Convert to fraction form
    126,041.44/189,140.98 = 51,161.56/x
  3. Step 3: Cross multiply
    126,041.44x = 189,140.98 × 51,161.56
  4. Step 4: Simplify right side
    126,041.44x = 9,676,747,596.73
  5. Step 5: Solve for x
    x = 9,676,747,596.73/126,041.44
  6. Step 6: Final answer
    x = 76,774.33

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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.