Home / 133,820.12-200,729.97-73,845.70

Finding the Fourth Proportional to 133,820.12, 200,729.97 and 73,845.70

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Solution

The fourth proportional to 133,820.12, 200,729.97 and 73,845.70 is: 110,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,820.12 : 200,729.97 = 73,845.70 : x
  2. Step 2: Convert to fraction form
    133,820.12/200,729.97 = 73,845.70/x
  3. Step 3: Cross multiply
    133,820.12x = 200,729.97 × 73,845.70
  4. Step 4: Simplify right side
    133,820.12x = 14,823,044,643.80
  5. Step 5: Solve for x
    x = 14,823,044,643.80/133,820.12
  6. Step 6: Final answer
    x = 110,768.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.