Home / 206,349.75-309,485.26-64,196.79

Finding the Fourth Proportional to 206,349.75, 309,485.26 and 64,196.79

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Solution

The fourth proportional to 206,349.75, 309,485.26 and 64,196.79 is: 96,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,349.75 : 309,485.26 = 64,196.79 : x
  2. Step 2: Convert to fraction form
    206,349.75/309,485.26 = 64,196.79/x
  3. Step 3: Cross multiply
    206,349.75x = 309,485.26 × 64,196.79
  4. Step 4: Simplify right side
    206,349.75x = 19,867,960,244.32
  5. Step 5: Solve for x
    x = 19,867,960,244.32/206,349.75
  6. Step 6: Final answer
    x = 96,282.94

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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.