Home / 200,236.14-276,425.85-115,336.80

Finding the Fourth Proportional to 200,236.14, 276,425.85 and 115,336.80

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Solution

The fourth proportional to 200,236.14, 276,425.85 and 115,336.80 is: 159,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,236.14 : 276,425.85 = 115,336.80 : x
  2. Step 2: Convert to fraction form
    200,236.14/276,425.85 = 115,336.80/x
  3. Step 3: Cross multiply
    200,236.14x = 276,425.85 × 115,336.80
  4. Step 4: Simplify right side
    200,236.14x = 31,882,072,976.28
  5. Step 5: Solve for x
    x = 31,882,072,976.28/200,236.14
  6. Step 6: Final answer
    x = 159,222.37

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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.