Home / 206,548.20-285,013.08-115,885.26

Finding the Fourth Proportional to 206,548.20, 285,013.08 and 115,885.26

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Solution

The fourth proportional to 206,548.20, 285,013.08 and 115,885.26 is: 159,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,548.20 : 285,013.08 = 115,885.26 : x
  2. Step 2: Convert to fraction form
    206,548.20/285,013.08 = 115,885.26/x
  3. Step 3: Cross multiply
    206,548.20x = 285,013.08 × 115,885.26
  4. Step 4: Simplify right side
    206,548.20x = 33,028,814,879.20
  5. Step 5: Solve for x
    x = 33,028,814,879.20/206,548.20
  6. Step 6: Final answer
    x = 159,908.51

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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.