Home / 204,432.12-306,551.16-71,296.20

Finding the Fourth Proportional to 204,432.12, 306,551.16 and 71,296.20

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Solution

The fourth proportional to 204,432.12, 306,551.16 and 71,296.20 is: 106,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,432.12 : 306,551.16 = 71,296.20 : x
  2. Step 2: Convert to fraction form
    204,432.12/306,551.16 = 71,296.20/x
  3. Step 3: Cross multiply
    204,432.12x = 306,551.16 × 71,296.20
  4. Step 4: Simplify right side
    204,432.12x = 21,855,932,813.59
  5. Step 5: Solve for x
    x = 21,855,932,813.59/204,432.12
  6. Step 6: Final answer
    x = 106,910.46

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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.