Home / 123,896.36-185,385.27-74,003.60

Finding the Fourth Proportional to 123,896.36, 185,385.27 and 74,003.60

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Solution

The fourth proportional to 123,896.36, 185,385.27 and 74,003.60 is: 110,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,896.36 : 185,385.27 = 74,003.60 : x
  2. Step 2: Convert to fraction form
    123,896.36/185,385.27 = 74,003.60/x
  3. Step 3: Cross multiply
    123,896.36x = 185,385.27 × 74,003.60
  4. Step 4: Simplify right side
    123,896.36x = 13,719,177,366.97
  5. Step 5: Solve for x
    x = 13,719,177,366.97/123,896.36
  6. Step 6: Final answer
    x = 110,731.08

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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.