Home / 200,691.03-276,726.62-127,996.70

Finding the Fourth Proportional to 200,691.03, 276,726.62 and 127,996.70

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Solution

The fourth proportional to 200,691.03, 276,726.62 and 127,996.70 is: 176,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,691.03 : 276,726.62 = 127,996.70 : x
  2. Step 2: Convert to fraction form
    200,691.03/276,726.62 = 127,996.70/x
  3. Step 3: Cross multiply
    200,691.03x = 276,726.62 × 127,996.70
  4. Step 4: Simplify right side
    200,691.03x = 35,420,093,098.51
  5. Step 5: Solve for x
    x = 35,420,093,098.51/200,691.03
  6. Step 6: Final answer
    x = 176,490.66

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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.