Home / 206,000.31-284,288.52-115,355.48

Finding the Fourth Proportional to 206,000.31, 284,288.52 and 115,355.48

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Solution

The fourth proportional to 206,000.31, 284,288.52 and 115,355.48 is: 159,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,000.31 : 284,288.52 = 115,355.48 : x
  2. Step 2: Convert to fraction form
    206,000.31/284,288.52 = 115,355.48/x
  3. Step 3: Cross multiply
    206,000.31x = 284,288.52 × 115,355.48
  4. Step 4: Simplify right side
    206,000.31x = 32,794,237,261.65
  5. Step 5: Solve for x
    x = 32,794,237,261.65/206,000.31
  6. Step 6: Final answer
    x = 159,195.09

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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.