Home / 111,027.36-166,539.50-26,786.82

Finding the Fourth Proportional to 111,027.36, 166,539.50 and 26,786.82

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Solution

The fourth proportional to 111,027.36, 166,539.50 and 26,786.82 is: 40,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.36 : 166,539.50 = 26,786.82 : x
  2. Step 2: Convert to fraction form
    111,027.36/166,539.50 = 26,786.82/x
  3. Step 3: Cross multiply
    111,027.36x = 166,539.50 × 26,786.82
  4. Step 4: Simplify right side
    111,027.36x = 4,461,063,475.46
  5. Step 5: Solve for x
    x = 4,461,063,475.46/111,027.36
  6. Step 6: Final answer
    x = 40,179.86

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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.