Home / 206,960.40-310,197.60-204,744.24

Finding the Fourth Proportional to 206,960.40, 310,197.60 and 204,744.24

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Solution

The fourth proportional to 206,960.40, 310,197.60 and 204,744.24 is: 306,875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,960.40 : 310,197.60 = 204,744.24 : x
  2. Step 2: Convert to fraction form
    206,960.40/310,197.60 = 204,744.24/x
  3. Step 3: Cross multiply
    206,960.40x = 310,197.60 × 204,744.24
  4. Step 4: Simplify right side
    206,960.40x = 63,511,171,861.82
  5. Step 5: Solve for x
    x = 63,511,171,861.82/206,960.40
  6. Step 6: Final answer
    x = 306,875.96

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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.