Home / 297,942.77-411,169.14-161,985.87

Finding the Fourth Proportional to 297,942.77, 411,169.14 and 161,985.87

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Solution

The fourth proportional to 297,942.77, 411,169.14 and 161,985.87 is: 223,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,942.77 : 411,169.14 = 161,985.87 : x
  2. Step 2: Convert to fraction form
    297,942.77/411,169.14 = 161,985.87/x
  3. Step 3: Cross multiply
    297,942.77x = 411,169.14 × 161,985.87
  4. Step 4: Simplify right side
    297,942.77x = 66,603,590,860.05
  5. Step 5: Solve for x
    x = 66,603,590,860.05/297,942.77
  6. Step 6: Final answer
    x = 223,544.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.