Home / 168,025.44-231,989.04-117,636.96

Finding the Fourth Proportional to 168,025.44, 231,989.04 and 117,636.96

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Solution

The fourth proportional to 168,025.44, 231,989.04 and 117,636.96 is: 162,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,025.44 : 231,989.04 = 117,636.96 : x
  2. Step 2: Convert to fraction form
    168,025.44/231,989.04 = 117,636.96/x
  3. Step 3: Cross multiply
    168,025.44x = 231,989.04 × 117,636.96
  4. Step 4: Simplify right side
    168,025.44x = 27,290,485,418.92
  5. Step 5: Solve for x
    x = 27,290,485,418.92/168,025.44
  6. Step 6: Final answer
    x = 162,418.77

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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.