Home / 126,524.20-189,845.34-56,396.20

Finding the Fourth Proportional to 126,524.20, 189,845.34 and 56,396.20

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Solution

The fourth proportional to 126,524.20, 189,845.34 and 56,396.20 is: 84,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,524.20 : 189,845.34 = 56,396.20 : x
  2. Step 2: Convert to fraction form
    126,524.20/189,845.34 = 56,396.20/x
  3. Step 3: Cross multiply
    126,524.20x = 189,845.34 × 56,396.20
  4. Step 4: Simplify right side
    126,524.20x = 10,706,555,763.71
  5. Step 5: Solve for x
    x = 10,706,555,763.71/126,524.20
  6. Step 6: Final answer
    x = 84,620.62

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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.