Home / 134,791.77-186,013.26-74,362.38

Finding the Fourth Proportional to 134,791.77, 186,013.26 and 74,362.38

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Solution

The fourth proportional to 134,791.77, 186,013.26 and 74,362.38 is: 102,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791.77 : 186,013.26 = 74,362.38 : x
  2. Step 2: Convert to fraction form
    134,791.77/186,013.26 = 74,362.38/x
  3. Step 3: Cross multiply
    134,791.77x = 186,013.26 × 74,362.38
  4. Step 4: Simplify right side
    134,791.77x = 13,832,388,725.16
  5. Step 5: Solve for x
    x = 13,832,388,725.16/134,791.77
  6. Step 6: Final answer
    x = 102,620.43

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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.