Home / 200,326.02-276,439.41-109,664.64

Finding the Fourth Proportional to 200,326.02, 276,439.41 and 109,664.64

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Solution

The fourth proportional to 200,326.02, 276,439.41 and 109,664.64 is: 151,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,326.02 : 276,439.41 = 109,664.64 : x
  2. Step 2: Convert to fraction form
    200,326.02/276,439.41 = 109,664.64/x
  3. Step 3: Cross multiply
    200,326.02x = 276,439.41 × 109,664.64
  4. Step 4: Simplify right side
    200,326.02x = 30,315,628,379.46
  5. Step 5: Solve for x
    x = 30,315,628,379.46/200,326.02
  6. Step 6: Final answer
    x = 151,331.46

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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.