Home / 200,215.31-276,269.85-119,625.80

Finding the Fourth Proportional to 200,215.31, 276,269.85 and 119,625.80

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Solution

The fourth proportional to 200,215.31, 276,269.85 and 119,625.80 is: 165,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,215.31 : 276,269.85 = 119,625.80 : x
  2. Step 2: Convert to fraction form
    200,215.31/276,269.85 = 119,625.80/x
  3. Step 3: Cross multiply
    200,215.31x = 276,269.85 × 119,625.80
  4. Step 4: Simplify right side
    200,215.31x = 33,049,000,440.78
  5. Step 5: Solve for x
    x = 33,049,000,440.78/200,215.31
  6. Step 6: Final answer
    x = 165,067.30

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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.