Home / 200,617.44-276,865.20-115,738.08

Finding the Fourth Proportional to 200,617.44, 276,865.20 and 115,738.08

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Solution

The fourth proportional to 200,617.44, 276,865.20 and 115,738.08 is: 159,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,617.44 : 276,865.20 = 115,738.08 : x
  2. Step 2: Convert to fraction form
    200,617.44/276,865.20 = 115,738.08/x
  3. Step 3: Cross multiply
    200,617.44x = 276,865.20 × 115,738.08
  4. Step 4: Simplify right side
    200,617.44x = 32,043,846,666.82
  5. Step 5: Solve for x
    x = 32,043,846,666.82/200,617.44
  6. Step 6: Final answer
    x = 159,726.13

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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.