Home / 111,149.12-166,737.38-36,249.23

Finding the Fourth Proportional to 111,149.12, 166,737.38 and 36,249.23

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Solution

The fourth proportional to 111,149.12, 166,737.38 and 36,249.23 is: 54,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,149.12 : 166,737.38 = 36,249.23 : x
  2. Step 2: Convert to fraction form
    111,149.12/166,737.38 = 36,249.23/x
  3. Step 3: Cross multiply
    111,149.12x = 166,737.38 × 36,249.23
  4. Step 4: Simplify right side
    111,149.12x = 6,044,100,622.28
  5. Step 5: Solve for x
    x = 6,044,100,622.28/111,149.12
  6. Step 6: Final answer
    x = 54,378.31

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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.