Home / 206,016.72-284,279.58-115,360.08

Finding the Fourth Proportional to 206,016.72, 284,279.58 and 115,360.08

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Solution

The fourth proportional to 206,016.72, 284,279.58 and 115,360.08 is: 159,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,016.72 : 284,279.58 = 115,360.08 : x
  2. Step 2: Convert to fraction form
    206,016.72/284,279.58 = 115,360.08/x
  3. Step 3: Cross multiply
    206,016.72x = 284,279.58 × 115,360.08
  4. Step 4: Simplify right side
    206,016.72x = 32,794,515,091.17
  5. Step 5: Solve for x
    x = 32,794,515,091.17/206,016.72
  6. Step 6: Final answer
    x = 159,183.76

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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.