Home / 200,288.64-276,393.60-115,453.44

Finding the Fourth Proportional to 200,288.64, 276,393.60 and 115,453.44

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Solution

The fourth proportional to 200,288.64, 276,393.60 and 115,453.44 is: 159,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,288.64 : 276,393.60 = 115,453.44 : x
  2. Step 2: Convert to fraction form
    200,288.64/276,393.60 = 115,453.44/x
  3. Step 3: Cross multiply
    200,288.64x = 276,393.60 × 115,453.44
  4. Step 4: Simplify right side
    200,288.64x = 31,910,591,913.98
  5. Step 5: Solve for x
    x = 31,910,591,913.98/200,288.64
  6. Step 6: Final answer
    x = 159,323.02

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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.