Home / 135,585.36-187,182.32-92,629.44

Finding the Fourth Proportional to 135,585.36, 187,182.32 and 92,629.44

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Solution

The fourth proportional to 135,585.36, 187,182.32 and 92,629.44 is: 127,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,585.36 : 187,182.32 = 92,629.44 : x
  2. Step 2: Convert to fraction form
    135,585.36/187,182.32 = 92,629.44/x
  3. Step 3: Cross multiply
    135,585.36x = 187,182.32 × 92,629.44
  4. Step 4: Simplify right side
    135,585.36x = 17,338,593,479.50
  5. Step 5: Solve for x
    x = 17,338,593,479.50/135,585.36
  6. Step 6: Final answer
    x = 127,879.54

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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.