Home / 204,336.08-306,505.83-71,216.12

Finding the Fourth Proportional to 204,336.08, 306,505.83 and 71,216.12

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Solution

The fourth proportional to 204,336.08, 306,505.83 and 71,216.12 is: 106,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,336.08 : 306,505.83 = 71,216.12 : x
  2. Step 2: Convert to fraction form
    204,336.08/306,505.83 = 71,216.12/x
  3. Step 3: Cross multiply
    204,336.08x = 306,505.83 × 71,216.12
  4. Step 4: Simplify right side
    204,336.08x = 21,828,155,613.90
  5. Step 5: Solve for x
    x = 21,828,155,613.90/204,336.08
  6. Step 6: Final answer
    x = 106,824.77

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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.