Home / 171,610.29-236,681.79-120,791.25

Finding the Fourth Proportional to 171,610.29, 236,681.79 and 120,791.25

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Solution

The fourth proportional to 171,610.29, 236,681.79 and 120,791.25 is: 166,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,610.29 : 236,681.79 = 120,791.25 : x
  2. Step 2: Convert to fraction form
    171,610.29/236,681.79 = 120,791.25/x
  3. Step 3: Cross multiply
    171,610.29x = 236,681.79 × 120,791.25
  4. Step 4: Simplify right side
    171,610.29x = 28,589,089,266.34
  5. Step 5: Solve for x
    x = 28,589,089,266.34/171,610.29
  6. Step 6: Final answer
    x = 166,593.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.