Home / 206,301.33-309,456.33-66,059.55

Finding the Fourth Proportional to 206,301.33, 309,456.33 and 66,059.55

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Solution

The fourth proportional to 206,301.33, 309,456.33 and 66,059.55 is: 99,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,301.33 : 309,456.33 = 66,059.55 : x
  2. Step 2: Convert to fraction form
    206,301.33/309,456.33 = 66,059.55/x
  3. Step 3: Cross multiply
    206,301.33x = 309,456.33 × 66,059.55
  4. Step 4: Simplify right side
    206,301.33x = 20,442,545,904.45
  5. Step 5: Solve for x
    x = 20,442,545,904.45/206,301.33
  6. Step 6: Final answer
    x = 99,090.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.