Home / 126,358.16-189,566.39-67,250.84

Finding the Fourth Proportional to 126,358.16, 189,566.39 and 67,250.84

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Solution

The fourth proportional to 126,358.16, 189,566.39 and 67,250.84 is: 100,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358.16 : 189,566.39 = 67,250.84 : x
  2. Step 2: Convert to fraction form
    126,358.16/189,566.39 = 67,250.84/x
  3. Step 3: Cross multiply
    126,358.16x = 189,566.39 × 67,250.84
  4. Step 4: Simplify right side
    126,358.16x = 12,748,498,183.56
  5. Step 5: Solve for x
    x = 12,748,498,183.56/126,358.16
  6. Step 6: Final answer
    x = 100,891.77

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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.