Home / 122,791.26-184,179.37-72,218.25

Finding the Fourth Proportional to 122,791.26, 184,179.37 and 72,218.25

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Solution

The fourth proportional to 122,791.26, 184,179.37 and 72,218.25 is: 108,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,791.26 : 184,179.37 = 72,218.25 : x
  2. Step 2: Convert to fraction form
    122,791.26/184,179.37 = 72,218.25/x
  3. Step 3: Cross multiply
    122,791.26x = 184,179.37 × 72,218.25
  4. Step 4: Simplify right side
    122,791.26x = 13,301,111,742.37
  5. Step 5: Solve for x
    x = 13,301,111,742.37/122,791.26
  6. Step 6: Final answer
    x = 108,322.95

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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.