Home / 200,328.78-276,467.04-115,451.31

Finding the Fourth Proportional to 200,328.78, 276,467.04 and 115,451.31

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Solution

The fourth proportional to 200,328.78, 276,467.04 and 115,451.31 is: 159,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,328.78 : 276,467.04 = 115,451.31 : x
  2. Step 2: Convert to fraction form
    200,328.78/276,467.04 = 115,451.31/x
  3. Step 3: Cross multiply
    200,328.78x = 276,467.04 × 115,451.31
  4. Step 4: Simplify right side
    200,328.78x = 31,918,481,939.82
  5. Step 5: Solve for x
    x = 31,918,481,939.82/200,328.78
  6. Step 6: Final answer
    x = 159,330.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.