Home / 235,022.32-352,183.44-129,871.36

Finding the Fourth Proportional to 235,022.32, 352,183.44 and 129,871.36

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Solution

The fourth proportional to 235,022.32, 352,183.44 and 129,871.36 is: 194,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,022.32 : 352,183.44 = 129,871.36 : x
  2. Step 2: Convert to fraction form
    235,022.32/352,183.44 = 129,871.36/x
  3. Step 3: Cross multiply
    235,022.32x = 352,183.44 × 129,871.36
  4. Step 4: Simplify right side
    235,022.32x = 45,738,542,322.28
  5. Step 5: Solve for x
    x = 45,738,542,322.28/235,022.32
  6. Step 6: Final answer
    x = 194,613.61

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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.