Home / 135,358.04-186,791.82-74,927.39

Finding the Fourth Proportional to 135,358.04, 186,791.82 and 74,927.39

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Solution

The fourth proportional to 135,358.04, 186,791.82 and 74,927.39 is: 103,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,358.04 : 186,791.82 = 74,927.39 : x
  2. Step 2: Convert to fraction form
    135,358.04/186,791.82 = 74,927.39/x
  3. Step 3: Cross multiply
    135,358.04x = 186,791.82 × 74,927.39
  4. Step 4: Simplify right side
    135,358.04x = 13,995,822,611.99
  5. Step 5: Solve for x
    x = 13,995,822,611.99/135,358.04
  6. Step 6: Final answer
    x = 103,398.54

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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.