Home / 206,963.13-285,632.80-115,091.58

Finding the Fourth Proportional to 206,963.13, 285,632.80 and 115,091.58

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Solution

The fourth proportional to 206,963.13, 285,632.80 and 115,091.58 is: 158,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,963.13 : 285,632.80 = 115,091.58 : x
  2. Step 2: Convert to fraction form
    206,963.13/285,632.80 = 115,091.58/x
  3. Step 3: Cross multiply
    206,963.13x = 285,632.80 × 115,091.58
  4. Step 4: Simplify right side
    206,963.13x = 32,873,929,676.37
  5. Step 5: Solve for x
    x = 32,873,929,676.37/206,963.13
  6. Step 6: Final answer
    x = 158,839.55

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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.