Home / 123,194.23-185,102.73-118,211.97

Finding the Fourth Proportional to 123,194.23, 185,102.73 and 118,211.97

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Solution

The fourth proportional to 123,194.23, 185,102.73 and 118,211.97 is: 177,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,194.23 : 185,102.73 = 118,211.97 : x
  2. Step 2: Convert to fraction form
    123,194.23/185,102.73 = 118,211.97/x
  3. Step 3: Cross multiply
    123,194.23x = 185,102.73 × 118,211.97
  4. Step 4: Simplify right side
    123,194.23x = 21,881,358,365.68
  5. Step 5: Solve for x
    x = 21,881,358,365.68/123,194.23
  6. Step 6: Final answer
    x = 177,616.75

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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.