Home / 206,101.12-309,195.82-63,943.34

Finding the Fourth Proportional to 206,101.12, 309,195.82 and 63,943.34

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Solution

The fourth proportional to 206,101.12, 309,195.82 and 63,943.34 is: 95,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,101.12 : 309,195.82 = 63,943.34 : x
  2. Step 2: Convert to fraction form
    206,101.12/309,195.82 = 63,943.34/x
  3. Step 3: Cross multiply
    206,101.12x = 309,195.82 × 63,943.34
  4. Step 4: Simplify right side
    206,101.12x = 19,771,011,739.00
  5. Step 5: Solve for x
    x = 19,771,011,739.00/206,101.12
  6. Step 6: Final answer
    x = 95,928.70

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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.