Home / 206,190.63-309,216.76-92,267.06

Finding the Fourth Proportional to 206,190.63, 309,216.76 and 92,267.06

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Solution

The fourth proportional to 206,190.63, 309,216.76 and 92,267.06 is: 138,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,190.63 : 309,216.76 = 92,267.06 : x
  2. Step 2: Convert to fraction form
    206,190.63/309,216.76 = 92,267.06/x
  3. Step 3: Cross multiply
    206,190.63x = 309,216.76 × 92,267.06
  4. Step 4: Simplify right side
    206,190.63x = 28,530,519,571.17
  5. Step 5: Solve for x
    x = 28,530,519,571.17/206,190.63
  6. Step 6: Final answer
    x = 138,369.62

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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.