Home / 111,159.44-166,739.54-26,919.46

Finding the Fourth Proportional to 111,159.44, 166,739.54 and 26,919.46

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Solution

The fourth proportional to 111,159.44, 166,739.54 and 26,919.46 is: 40,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,159.44 : 166,739.54 = 26,919.46 : x
  2. Step 2: Convert to fraction form
    111,159.44/166,739.54 = 26,919.46/x
  3. Step 3: Cross multiply
    111,159.44x = 166,739.54 × 26,919.46
  4. Step 4: Simplify right side
    111,159.44x = 4,488,538,995.94
  5. Step 5: Solve for x
    x = 4,488,538,995.94/111,159.44
  6. Step 6: Final answer
    x = 40,379.29

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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.