Home / 203,742.32-305,544.24-70,591.49

Finding the Fourth Proportional to 203,742.32, 305,544.24 and 70,591.49

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Solution

The fourth proportional to 203,742.32, 305,544.24 and 70,591.49 is: 105,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,742.32 : 305,544.24 = 70,591.49 : x
  2. Step 2: Convert to fraction form
    203,742.32/305,544.24 = 70,591.49/x
  3. Step 3: Cross multiply
    203,742.32x = 305,544.24 × 70,591.49
  4. Step 4: Simplify right side
    203,742.32x = 21,568,821,634.80
  5. Step 5: Solve for x
    x = 21,568,821,634.80/203,742.32
  6. Step 6: Final answer
    x = 105,863.24

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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.