Home / 149,141.66-223,712.51-122,791.05

Finding the Fourth Proportional to 149,141.66, 223,712.51 and 122,791.05

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Solution

The fourth proportional to 149,141.66, 223,712.51 and 122,791.05 is: 184,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,141.66 : 223,712.51 = 122,791.05 : x
  2. Step 2: Convert to fraction form
    149,141.66/223,712.51 = 122,791.05/x
  3. Step 3: Cross multiply
    149,141.66x = 223,712.51 × 122,791.05
  4. Step 4: Simplify right side
    149,141.66x = 27,469,893,387.08
  5. Step 5: Solve for x
    x = 27,469,893,387.08/149,141.66
  6. Step 6: Final answer
    x = 184,186.59

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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.