Home / 205,311.52-307,941.68-57,579.04

Finding the Fourth Proportional to 205,311.52, 307,941.68 and 57,579.04

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Solution

The fourth proportional to 205,311.52, 307,941.68 and 57,579.04 is: 86,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,311.52 : 307,941.68 = 57,579.04 : x
  2. Step 2: Convert to fraction form
    205,311.52/307,941.68 = 57,579.04/x
  3. Step 3: Cross multiply
    205,311.52x = 307,941.68 × 57,579.04
  4. Step 4: Simplify right side
    205,311.52x = 17,730,986,310.39
  5. Step 5: Solve for x
    x = 17,730,986,310.39/205,311.52
  6. Step 6: Final answer
    x = 86,361.38

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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.