Home / 167,788.18-251,682-115,037.74

Finding the Fourth Proportional to 167,788.18, 251,682 and 115,037.74

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Solution

The fourth proportional to 167,788.18, 251,682 and 115,037.74 is: 172,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,788.18 : 251,682 = 115,037.74 : x
  2. Step 2: Convert to fraction form
    167,788.18/251,682 = 115,037.74/x
  3. Step 3: Cross multiply
    167,788.18x = 251,682 × 115,037.74
  4. Step 4: Simplify right side
    167,788.18x = 28,952,928,478.68
  5. Step 5: Solve for x
    x = 28,952,928,478.68/167,788.18
  6. Step 6: Final answer
    x = 172,556.42

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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.