Home / 200,278.62-276,296.55-119,665.80

Finding the Fourth Proportional to 200,278.62, 276,296.55 and 119,665.80

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Solution

The fourth proportional to 200,278.62, 276,296.55 and 119,665.80 is: 165,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,278.62 : 276,296.55 = 119,665.80 : x
  2. Step 2: Convert to fraction form
    200,278.62/276,296.55 = 119,665.80/x
  3. Step 3: Cross multiply
    200,278.62x = 276,296.55 × 119,665.80
  4. Step 4: Simplify right side
    200,278.62x = 33,063,247,692.99
  5. Step 5: Solve for x
    x = 33,063,247,692.99/200,278.62
  6. Step 6: Final answer
    x = 165,086.26

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1.5x scale

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.