Home / 111,028.36-166,540.99-26,787.82

Finding the Fourth Proportional to 111,028.36, 166,540.99 and 26,787.82

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Solution

The fourth proportional to 111,028.36, 166,540.99 and 26,787.82 is: 40,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.36 : 166,540.99 = 26,787.82 : x
  2. Step 2: Convert to fraction form
    111,028.36/166,540.99 = 26,787.82/x
  3. Step 3: Cross multiply
    111,028.36x = 166,540.99 × 26,787.82
  4. Step 4: Simplify right side
    111,028.36x = 4,461,270,062.74
  5. Step 5: Solve for x
    x = 4,461,270,062.74/111,028.36
  6. Step 6: Final answer
    x = 40,181.36

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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.