Home / 242,726.76-334,974.27-135,297.57

Finding the Fourth Proportional to 242,726.76, 334,974.27 and 135,297.57

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Solution

The fourth proportional to 242,726.76, 334,974.27 and 135,297.57 is: 186,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,726.76 : 334,974.27 = 135,297.57 : x
  2. Step 2: Convert to fraction form
    242,726.76/334,974.27 = 135,297.57/x
  3. Step 3: Cross multiply
    242,726.76x = 334,974.27 × 135,297.57
  4. Step 4: Simplify right side
    242,726.76x = 45,321,204,743.52
  5. Step 5: Solve for x
    x = 45,321,204,743.52/242,726.76
  6. Step 6: Final answer
    x = 186,716.97

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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.