Home / 111,940.44-168,000.57-55,778.28

Finding the Fourth Proportional to 111,940.44, 168,000.57 and 55,778.28

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Solution

The fourth proportional to 111,940.44, 168,000.57 and 55,778.28 is: 83,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,940.44 : 168,000.57 = 55,778.28 : x
  2. Step 2: Convert to fraction form
    111,940.44/168,000.57 = 55,778.28/x
  3. Step 3: Cross multiply
    111,940.44x = 168,000.57 × 55,778.28
  4. Step 4: Simplify right side
    111,940.44x = 9,370,782,833.62
  5. Step 5: Solve for x
    x = 9,370,782,833.62/111,940.44
  6. Step 6: Final answer
    x = 83,712.22

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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.