Home / 111,480.30-167,198.58-55,261.44

Finding the Fourth Proportional to 111,480.30, 167,198.58 and 55,261.44

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Solution

The fourth proportional to 111,480.30, 167,198.58 and 55,261.44 is: 82,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,480.30 : 167,198.58 = 55,261.44 : x
  2. Step 2: Convert to fraction form
    111,480.30/167,198.58 = 55,261.44/x
  3. Step 3: Cross multiply
    111,480.30x = 167,198.58 × 55,261.44
  4. Step 4: Simplify right side
    111,480.30x = 9,239,634,296.76
  5. Step 5: Solve for x
    x = 9,239,634,296.76/111,480.30
  6. Step 6: Final answer
    x = 82,881.32

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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.