Home / 168,028.44-231,993.18-117,639.96

Finding the Fourth Proportional to 168,028.44, 231,993.18 and 117,639.96

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Solution

The fourth proportional to 168,028.44, 231,993.18 and 117,639.96 is: 162,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.44 : 231,993.18 = 117,639.96 : x
  2. Step 2: Convert to fraction form
    168,028.44/231,993.18 = 117,639.96/x
  3. Step 3: Cross multiply
    168,028.44x = 231,993.18 × 117,639.96
  4. Step 4: Simplify right side
    168,028.44x = 27,291,668,415.47
  5. Step 5: Solve for x
    x = 27,291,668,415.47/168,028.44
  6. Step 6: Final answer
    x = 162,422.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.