Home / 171,610.13-236,681.51-120,791.07

Finding the Fourth Proportional to 171,610.13, 236,681.51 and 120,791.07

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Solution

The fourth proportional to 171,610.13, 236,681.51 and 120,791.07 is: 166,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,610.13 : 236,681.51 = 120,791.07 : x
  2. Step 2: Convert to fraction form
    171,610.13/236,681.51 = 120,791.07/x
  3. Step 3: Cross multiply
    171,610.13x = 236,681.51 × 120,791.07
  4. Step 4: Simplify right side
    171,610.13x = 28,589,012,238.16
  5. Step 5: Solve for x
    x = 28,589,012,238.16/171,610.13
  6. Step 6: Final answer
    x = 166,592.81

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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.