Home / 200,540.52-276,642.39-135,987.93

Finding the Fourth Proportional to 200,540.52, 276,642.39 and 135,987.93

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Solution

The fourth proportional to 200,540.52, 276,642.39 and 135,987.93 is: 187,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,540.52 : 276,642.39 = 135,987.93 : x
  2. Step 2: Convert to fraction form
    200,540.52/276,642.39 = 135,987.93/x
  3. Step 3: Cross multiply
    200,540.52x = 276,642.39 × 135,987.93
  4. Step 4: Simplify right side
    200,540.52x = 37,620,025,966.35
  5. Step 5: Solve for x
    x = 37,620,025,966.35/200,540.52
  6. Step 6: Final answer
    x = 187,593.14

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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.