Home / 168,736.88-232,855-93,286.64

Finding the Fourth Proportional to 168,736.88, 232,855 and 93,286.64

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Solution

The fourth proportional to 168,736.88, 232,855 and 93,286.64 is: 128,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,736.88 : 232,855 = 93,286.64 : x
  2. Step 2: Convert to fraction form
    168,736.88/232,855 = 93,286.64/x
  3. Step 3: Cross multiply
    168,736.88x = 232,855 × 93,286.64
  4. Step 4: Simplify right side
    168,736.88x = 21,722,260,557.20
  5. Step 5: Solve for x
    x = 21,722,260,557.20/168,736.88
  6. Step 6: Final answer
    x = 128,734.52

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1.5x scale

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.