Home / 200,082.58-276,122.82-115,226.98

Finding the Fourth Proportional to 200,082.58, 276,122.82 and 115,226.98

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Solution

The fourth proportional to 200,082.58, 276,122.82 and 115,226.98 is: 159,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,082.58 : 276,122.82 = 115,226.98 : x
  2. Step 2: Convert to fraction form
    200,082.58/276,122.82 = 115,226.98/x
  3. Step 3: Cross multiply
    200,082.58x = 276,122.82 × 115,226.98
  4. Step 4: Simplify right side
    200,082.58x = 31,816,798,657.68
  5. Step 5: Solve for x
    x = 31,816,798,657.68/200,082.58
  6. Step 6: Final answer
    x = 159,018.33

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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.