Home / 200,788.43-301,162.12-67,669.85

Finding the Fourth Proportional to 200,788.43, 301,162.12 and 67,669.85

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Solution

The fourth proportional to 200,788.43, 301,162.12 and 67,669.85 is: 101,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,788.43 : 301,162.12 = 67,669.85 : x
  2. Step 2: Convert to fraction form
    200,788.43/301,162.12 = 67,669.85/x
  3. Step 3: Cross multiply
    200,788.43x = 301,162.12 × 67,669.85
  4. Step 4: Simplify right side
    200,788.43x = 20,379,596,069.81
  5. Step 5: Solve for x
    x = 20,379,596,069.81/200,788.43
  6. Step 6: Final answer
    x = 101,497.86

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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.