Home / 126,653.96-189,910.73-51,826.56

Finding the Fourth Proportional to 126,653.96, 189,910.73 and 51,826.56

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Solution

The fourth proportional to 126,653.96, 189,910.73 and 51,826.56 is: 77,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,653.96 : 189,910.73 = 51,826.56 : x
  2. Step 2: Convert to fraction form
    126,653.96/189,910.73 = 51,826.56/x
  3. Step 3: Cross multiply
    126,653.96x = 189,910.73 × 51,826.56
  4. Step 4: Simplify right side
    126,653.96x = 9,842,419,972.56
  5. Step 5: Solve for x
    x = 9,842,419,972.56/126,653.96
  6. Step 6: Final answer
    x = 77,711.11

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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.