Home / 168,088.10-251,786.55-115,556.90

Finding the Fourth Proportional to 168,088.10, 251,786.55 and 115,556.90

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Solution

The fourth proportional to 168,088.10, 251,786.55 and 115,556.90 is: 173,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,088.10 : 251,786.55 = 115,556.90 : x
  2. Step 2: Convert to fraction form
    168,088.10/251,786.55 = 115,556.90/x
  3. Step 3: Cross multiply
    168,088.10x = 251,786.55 × 115,556.90
  4. Step 4: Simplify right side
    168,088.10x = 29,095,673,179.70
  5. Step 5: Solve for x
    x = 29,095,673,179.70/168,088.10
  6. Step 6: Final answer
    x = 173,097.76

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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.