Home / 192,016.20-264,872.16-111,433.44

Finding the Fourth Proportional to 192,016.20, 264,872.16 and 111,433.44

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Solution

The fourth proportional to 192,016.20, 264,872.16 and 111,433.44 is: 153,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,016.20 : 264,872.16 = 111,433.44 : x
  2. Step 2: Convert to fraction form
    192,016.20/264,872.16 = 111,433.44/x
  3. Step 3: Cross multiply
    192,016.20x = 264,872.16 × 111,433.44
  4. Step 4: Simplify right side
    192,016.20x = 29,515,615,949.03
  5. Step 5: Solve for x
    x = 29,515,615,949.03/192,016.20
  6. Step 6: Final answer
    x = 153,714.20

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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.