Home / 167,732.28-251,653.09-78,994.76

Finding the Fourth Proportional to 167,732.28, 251,653.09 and 78,994.76

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Solution

The fourth proportional to 167,732.28, 251,653.09 and 78,994.76 is: 118,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,732.28 : 251,653.09 = 78,994.76 : x
  2. Step 2: Convert to fraction form
    167,732.28/251,653.09 = 78,994.76/x
  3. Step 3: Cross multiply
    167,732.28x = 251,653.09 × 78,994.76
  4. Step 4: Simplify right side
    167,732.28x = 19,879,273,992.06
  5. Step 5: Solve for x
    x = 19,879,273,992.06/167,732.28
  6. Step 6: Final answer
    x = 118,517.88

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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.