Home / 200,279.24-276,366.44-119,690.72

Finding the Fourth Proportional to 200,279.24, 276,366.44 and 119,690.72

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Solution

The fourth proportional to 200,279.24, 276,366.44 and 119,690.72 is: 165,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,279.24 : 276,366.44 = 119,690.72 : x
  2. Step 2: Convert to fraction form
    200,279.24/276,366.44 = 119,690.72/x
  3. Step 3: Cross multiply
    200,279.24x = 276,366.44 × 119,690.72
  4. Step 4: Simplify right side
    200,279.24x = 33,078,498,187.44
  5. Step 5: Solve for x
    x = 33,078,498,187.44/200,279.24
  6. Step 6: Final answer
    x = 165,161.89

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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.