Home / 111,371.16-166,982.94-40,284.44

Finding the Fourth Proportional to 111,371.16, 166,982.94 and 40,284.44

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Solution

The fourth proportional to 111,371.16, 166,982.94 and 40,284.44 is: 60,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,371.16 : 166,982.94 = 40,284.44 : x
  2. Step 2: Convert to fraction form
    111,371.16/166,982.94 = 40,284.44/x
  3. Step 3: Cross multiply
    111,371.16x = 166,982.94 × 40,284.44
  4. Step 4: Simplify right side
    111,371.16x = 6,726,814,407.35
  5. Step 5: Solve for x
    x = 6,726,814,407.35/111,371.16
  6. Step 6: Final answer
    x = 60,399.97

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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.