Home / 165,760.20-248,640.30-82,816.20

Finding the Fourth Proportional to 165,760.20, 248,640.30 and 82,816.20

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Solution

The fourth proportional to 165,760.20, 248,640.30 and 82,816.20 is: 124,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,760.20 : 248,640.30 = 82,816.20 : x
  2. Step 2: Convert to fraction form
    165,760.20/248,640.30 = 82,816.20/x
  3. Step 3: Cross multiply
    165,760.20x = 248,640.30 × 82,816.20
  4. Step 4: Simplify right side
    165,760.20x = 20,591,444,812.86
  5. Step 5: Solve for x
    x = 20,591,444,812.86/165,760.20
  6. Step 6: Final answer
    x = 124,224.30

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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.