Home / 200,511-276,705.18-119,941.92

Finding the Fourth Proportional to 200,511, 276,705.18 and 119,941.92

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Solution

The fourth proportional to 200,511, 276,705.18 and 119,941.92 is: 165,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,511 : 276,705.18 = 119,941.92 : x
  2. Step 2: Convert to fraction form
    200,511/276,705.18 = 119,941.92/x
  3. Step 3: Cross multiply
    200,511x = 276,705.18 × 119,941.92
  4. Step 4: Simplify right side
    200,511x = 33,188,550,563.15
  5. Step 5: Solve for x
    x = 33,188,550,563.15/200,511
  6. Step 6: Final answer
    x = 165,519.85

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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.