Home / 206,376.32-309,595.23-73,245.43

Finding the Fourth Proportional to 206,376.32, 309,595.23 and 73,245.43

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Solution

The fourth proportional to 206,376.32, 309,595.23 and 73,245.43 is: 109,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,376.32 : 309,595.23 = 73,245.43 : x
  2. Step 2: Convert to fraction form
    206,376.32/309,595.23 = 73,245.43/x
  3. Step 3: Cross multiply
    206,376.32x = 309,595.23 × 73,245.43
  4. Step 4: Simplify right side
    206,376.32x = 22,676,436,134.29
  5. Step 5: Solve for x
    x = 22,676,436,134.29/206,376.32
  6. Step 6: Final answer
    x = 109,879.06

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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.