Home / 206,023.26-309,010.59-54,235.74

Finding the Fourth Proportional to 206,023.26, 309,010.59 and 54,235.74

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Solution

The fourth proportional to 206,023.26, 309,010.59 and 54,235.74 is: 81,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,023.26 : 309,010.59 = 54,235.74 : x
  2. Step 2: Convert to fraction form
    206,023.26/309,010.59 = 54,235.74/x
  3. Step 3: Cross multiply
    206,023.26x = 309,010.59 × 54,235.74
  4. Step 4: Simplify right side
    206,023.26x = 16,759,418,016.49
  5. Step 5: Solve for x
    x = 16,759,418,016.49/206,023.26
  6. Step 6: Final answer
    x = 81,347.21

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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.