Home / 111,896.20-154,418.73-60,910.40

Finding the Fourth Proportional to 111,896.20, 154,418.73 and 60,910.40

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Solution

The fourth proportional to 111,896.20, 154,418.73 and 60,910.40 is: 84,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,896.20 : 154,418.73 = 60,910.40 : x
  2. Step 2: Convert to fraction form
    111,896.20/154,418.73 = 60,910.40/x
  3. Step 3: Cross multiply
    111,896.20x = 154,418.73 × 60,910.40
  4. Step 4: Simplify right side
    111,896.20x = 9,405,706,524.13
  5. Step 5: Solve for x
    x = 9,405,706,524.13/111,896.20
  6. Step 6: Final answer
    x = 84,057.42

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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.