Home / 126,394.98-189,034.77-112,452.85

Finding the Fourth Proportional to 126,394.98, 189,034.77 and 112,452.85

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Solution

The fourth proportional to 126,394.98, 189,034.77 and 112,452.85 is: 168,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,394.98 : 189,034.77 = 112,452.85 : x
  2. Step 2: Convert to fraction form
    126,394.98/189,034.77 = 112,452.85/x
  3. Step 3: Cross multiply
    126,394.98x = 189,034.77 × 112,452.85
  4. Step 4: Simplify right side
    126,394.98x = 21,257,498,635.59
  5. Step 5: Solve for x
    x = 21,257,498,635.59/126,394.98
  6. Step 6: Final answer
    x = 168,183.09

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1.5x scale

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.