Home / 167,733.09-251,654.31-78,995.56

Finding the Fourth Proportional to 167,733.09, 251,654.31 and 78,995.56

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Solution

The fourth proportional to 167,733.09, 251,654.31 and 78,995.56 is: 118,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,733.09 : 251,654.31 = 78,995.56 : x
  2. Step 2: Convert to fraction form
    167,733.09/251,654.31 = 78,995.56/x
  3. Step 3: Cross multiply
    167,733.09x = 251,654.31 × 78,995.56
  4. Step 4: Simplify right side
    167,733.09x = 19,879,573,144.86
  5. Step 5: Solve for x
    x = 19,879,573,144.86/167,733.09
  6. Step 6: Final answer
    x = 118,519.09

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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.