Home / 206,163.42-309,293.56-64,001.40

Finding the Fourth Proportional to 206,163.42, 309,293.56 and 64,001.40

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Solution

The fourth proportional to 206,163.42, 309,293.56 and 64,001.40 is: 96,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,163.42 : 309,293.56 = 64,001.40 : x
  2. Step 2: Convert to fraction form
    206,163.42/309,293.56 = 64,001.40/x
  3. Step 3: Cross multiply
    206,163.42x = 309,293.56 × 64,001.40
  4. Step 4: Simplify right side
    206,163.42x = 19,795,220,850.98
  5. Step 5: Solve for x
    x = 19,795,220,850.98/206,163.42
  6. Step 6: Final answer
    x = 96,017.13

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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.