Home / 168,398.33-232,383.91-100,380.24

Finding the Fourth Proportional to 168,398.33, 232,383.91 and 100,380.24

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Solution

The fourth proportional to 168,398.33, 232,383.91 and 100,380.24 is: 138,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,398.33 : 232,383.91 = 100,380.24 : x
  2. Step 2: Convert to fraction form
    168,398.33/232,383.91 = 100,380.24/x
  3. Step 3: Cross multiply
    168,398.33x = 232,383.91 × 100,380.24
  4. Step 4: Simplify right side
    168,398.33x = 23,326,752,657.94
  5. Step 5: Solve for x
    x = 23,326,752,657.94/168,398.33
  6. Step 6: Final answer
    x = 138,521.28

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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.