Home / 111,153.30-166,616.55-54,906.90

Finding the Fourth Proportional to 111,153.30, 166,616.55 and 54,906.90

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Solution

The fourth proportional to 111,153.30, 166,616.55 and 54,906.90 is: 82,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,153.30 : 166,616.55 = 54,906.90 : x
  2. Step 2: Convert to fraction form
    111,153.30/166,616.55 = 54,906.90/x
  3. Step 3: Cross multiply
    111,153.30x = 166,616.55 × 54,906.90
  4. Step 4: Simplify right side
    111,153.30x = 9,148,398,249.20
  5. Step 5: Solve for x
    x = 9,148,398,249.20/111,153.30
  6. Step 6: Final answer
    x = 82,304.33

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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.