Home / 206,568.20-309,852.30-127,836.20

Finding the Fourth Proportional to 206,568.20, 309,852.30 and 127,836.20

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Solution

The fourth proportional to 206,568.20, 309,852.30 and 127,836.20 is: 191,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,568.20 : 309,852.30 = 127,836.20 : x
  2. Step 2: Convert to fraction form
    206,568.20/309,852.30 = 127,836.20/x
  3. Step 3: Cross multiply
    206,568.20x = 309,852.30 × 127,836.20
  4. Step 4: Simplify right side
    206,568.20x = 39,610,340,593.26
  5. Step 5: Solve for x
    x = 39,610,340,593.26/206,568.20
  6. Step 6: Final answer
    x = 191,754.30

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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.