Home / 200,310.37-276,428.36-109,672.09

Finding the Fourth Proportional to 200,310.37, 276,428.36 and 109,672.09

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Solution

The fourth proportional to 200,310.37, 276,428.36 and 109,672.09 is: 151,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,310.37 : 276,428.36 = 109,672.09 : x
  2. Step 2: Convert to fraction form
    200,310.37/276,428.36 = 109,672.09/x
  3. Step 3: Cross multiply
    200,310.37x = 276,428.36 × 109,672.09
  4. Step 4: Simplify right side
    200,310.37x = 30,316,475,976.47
  5. Step 5: Solve for x
    x = 30,316,475,976.47/200,310.37
  6. Step 6: Final answer
    x = 151,347.51

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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.