Home / 133,820.78-200,731.26-33,988.46

Finding the Fourth Proportional to 133,820.78, 200,731.26 and 33,988.46

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Solution

The fourth proportional to 133,820.78, 200,731.26 and 33,988.46 is: 50,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,820.78 : 200,731.26 = 33,988.46 : x
  2. Step 2: Convert to fraction form
    133,820.78/200,731.26 = 33,988.46/x
  3. Step 3: Cross multiply
    133,820.78x = 200,731.26 × 33,988.46
  4. Step 4: Simplify right side
    133,820.78x = 6,822,546,401.26
  5. Step 5: Solve for x
    x = 6,822,546,401.26/133,820.78
  6. Step 6: Final answer
    x = 50,982.71

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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.