Home / 165,305.14-228,121.41-89,853.46

Finding the Fourth Proportional to 165,305.14, 228,121.41 and 89,853.46

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Solution

The fourth proportional to 165,305.14, 228,121.41 and 89,853.46 is: 123,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,305.14 : 228,121.41 = 89,853.46 : x
  2. Step 2: Convert to fraction form
    165,305.14/228,121.41 = 89,853.46/x
  3. Step 3: Cross multiply
    165,305.14x = 228,121.41 × 89,853.46
  4. Step 4: Simplify right side
    165,305.14x = 20,497,497,988.58
  5. Step 5: Solve for x
    x = 20,497,497,988.58/165,305.14
  6. Step 6: Final answer
    x = 123,997.95

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1.5x scale

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.