Home / 167,732.09-251,652.81-78,994.56

Finding the Fourth Proportional to 167,732.09, 251,652.81 and 78,994.56

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Solution

The fourth proportional to 167,732.09, 251,652.81 and 78,994.56 is: 118,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,732.09 : 251,652.81 = 78,994.56 : x
  2. Step 2: Convert to fraction form
    167,732.09/251,652.81 = 78,994.56/x
  3. Step 3: Cross multiply
    167,732.09x = 251,652.81 × 78,994.56
  4. Step 4: Simplify right side
    167,732.09x = 19,879,204,238.64
  5. Step 5: Solve for x
    x = 19,879,204,238.64/167,732.09
  6. Step 6: Final answer
    x = 118,517.60

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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.