Home / 110,416.48-165,116.04-82,007.12

Finding the Fourth Proportional to 110,416.48, 165,116.04 and 82,007.12

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Solution

The fourth proportional to 110,416.48, 165,116.04 and 82,007.12 is: 122,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,416.48 : 165,116.04 = 82,007.12 : x
  2. Step 2: Convert to fraction form
    110,416.48/165,116.04 = 82,007.12/x
  3. Step 3: Cross multiply
    110,416.48x = 165,116.04 × 82,007.12
  4. Step 4: Simplify right side
    110,416.48x = 13,540,690,906.20
  5. Step 5: Solve for x
    x = 13,540,690,906.20/110,416.48
  6. Step 6: Final answer
    x = 122,632.88

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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.