Home / 171,724.80-236,986.38-100,093.26

Finding the Fourth Proportional to 171,724.80, 236,986.38 and 100,093.26

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Solution

The fourth proportional to 171,724.80, 236,986.38 and 100,093.26 is: 138,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,724.80 : 236,986.38 = 100,093.26 : x
  2. Step 2: Convert to fraction form
    171,724.80/236,986.38 = 100,093.26/x
  3. Step 3: Cross multiply
    171,724.80x = 236,986.38 × 100,093.26
  4. Step 4: Simplify right side
    171,724.80x = 23,720,739,349.80
  5. Step 5: Solve for x
    x = 23,720,739,349.80/171,724.80
  6. Step 6: Final answer
    x = 138,132.29

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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.