Home / 168,249.42-251,781.66-105,099.26

Finding the Fourth Proportional to 168,249.42, 251,781.66 and 105,099.26

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Solution

The fourth proportional to 168,249.42, 251,781.66 and 105,099.26 is: 157,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,249.42 : 251,781.66 = 105,099.26 : x
  2. Step 2: Convert to fraction form
    168,249.42/251,781.66 = 105,099.26/x
  3. Step 3: Cross multiply
    168,249.42x = 251,781.66 × 105,099.26
  4. Step 4: Simplify right side
    168,249.42x = 26,462,064,888.66
  5. Step 5: Solve for x
    x = 26,462,064,888.66/168,249.42
  6. Step 6: Final answer
    x = 157,278.79

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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.