Home / 165,153.92-227,982.12-111,511.52

Finding the Fourth Proportional to 165,153.92, 227,982.12 and 111,511.52

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Solution

The fourth proportional to 165,153.92, 227,982.12 and 111,511.52 is: 153,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,153.92 : 227,982.12 = 111,511.52 : x
  2. Step 2: Convert to fraction form
    165,153.92/227,982.12 = 111,511.52/x
  3. Step 3: Cross multiply
    165,153.92x = 227,982.12 × 111,511.52
  4. Step 4: Simplify right side
    165,153.92x = 25,422,632,734.02
  5. Step 5: Solve for x
    x = 25,422,632,734.02/165,153.92
  6. Step 6: Final answer
    x = 153,932.97

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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.