Home / 167,948.24-251,918.16-68,081.72

Finding the Fourth Proportional to 167,948.24, 251,918.16 and 68,081.72

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Solution

The fourth proportional to 167,948.24, 251,918.16 and 68,081.72 is: 102,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,948.24 : 251,918.16 = 68,081.72 : x
  2. Step 2: Convert to fraction form
    167,948.24/251,918.16 = 68,081.72/x
  3. Step 3: Cross multiply
    167,948.24x = 251,918.16 × 68,081.72
  4. Step 4: Simplify right side
    167,948.24x = 17,151,021,632.04
  5. Step 5: Solve for x
    x = 17,151,021,632.04/167,948.24
  6. Step 6: Final answer
    x = 102,120.88

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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.