Home / 200,548.10-276,721.30-114,467.78

Finding the Fourth Proportional to 200,548.10, 276,721.30 and 114,467.78

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Solution

The fourth proportional to 200,548.10, 276,721.30 and 114,467.78 is: 157,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,548.10 : 276,721.30 = 114,467.78 : x
  2. Step 2: Convert to fraction form
    200,548.10/276,721.30 = 114,467.78/x
  3. Step 3: Cross multiply
    200,548.10x = 276,721.30 × 114,467.78
  4. Step 4: Simplify right side
    200,548.10x = 31,675,670,933.77
  5. Step 5: Solve for x
    x = 31,675,670,933.77/200,548.10
  6. Step 6: Final answer
    x = 157,945.51

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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.