Home / 206,747.72-310,183.86-64,587.25

Finding the Fourth Proportional to 206,747.72, 310,183.86 and 64,587.25

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Solution

The fourth proportional to 206,747.72, 310,183.86 and 64,587.25 is: 96,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747.72 : 310,183.86 = 64,587.25 : x
  2. Step 2: Convert to fraction form
    206,747.72/310,183.86 = 64,587.25/x
  3. Step 3: Cross multiply
    206,747.72x = 310,183.86 × 64,587.25
  4. Step 4: Simplify right side
    206,747.72x = 20,033,922,511.79
  5. Step 5: Solve for x
    x = 20,033,922,511.79/206,747.72
  6. Step 6: Final answer
    x = 96,900.33

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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.