Home / 641,230.11-961,895.25-214,767.54

Finding the Fourth Proportional to 641,230.11, 961,895.25 and 214,767.54

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Solution

The fourth proportional to 641,230.11, 961,895.25 and 214,767.54 is: 322,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,230.11 : 961,895.25 = 214,767.54 : x
  2. Step 2: Convert to fraction form
    641,230.11/961,895.25 = 214,767.54/x
  3. Step 3: Cross multiply
    641,230.11x = 961,895.25 × 214,767.54
  4. Step 4: Simplify right side
    641,230.11x = 206,583,876,580.19
  5. Step 5: Solve for x
    x = 206,583,876,580.19/641,230.11
  6. Step 6: Final answer
    x = 322,168.08

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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.