Home / 126,790.52-190,221.34-50,942.33

Finding the Fourth Proportional to 126,790.52, 190,221.34 and 50,942.33

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Solution

The fourth proportional to 126,790.52, 190,221.34 and 50,942.33 is: 76,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,790.52 : 190,221.34 = 50,942.33 : x
  2. Step 2: Convert to fraction form
    126,790.52/190,221.34 = 50,942.33/x
  3. Step 3: Cross multiply
    126,790.52x = 190,221.34 × 50,942.33
  4. Step 4: Simplify right side
    126,790.52x = 9,690,317,196.86
  5. Step 5: Solve for x
    x = 9,690,317,196.86/126,790.52
  6. Step 6: Final answer
    x = 76,427.77

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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.