Home / 206,533.35-309,800.03-198,660.15

Finding the Fourth Proportional to 206,533.35, 309,800.03 and 198,660.15

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Solution

The fourth proportional to 206,533.35, 309,800.03 and 198,660.15 is: 297,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,533.35 : 309,800.03 = 198,660.15 : x
  2. Step 2: Convert to fraction form
    206,533.35/309,800.03 = 198,660.15/x
  3. Step 3: Cross multiply
    206,533.35x = 309,800.03 × 198,660.15
  4. Step 4: Simplify right side
    206,533.35x = 61,544,919,436.50
  5. Step 5: Solve for x
    x = 61,544,919,436.50/206,533.35
  6. Step 6: Final answer
    x = 297,990.23

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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.