Home / 142,850.97-214,274.27-34,781.34

Finding the Fourth Proportional to 142,850.97, 214,274.27 and 34,781.34

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Solution

The fourth proportional to 142,850.97, 214,274.27 and 34,781.34 is: 52,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,850.97 : 214,274.27 = 34,781.34 : x
  2. Step 2: Convert to fraction form
    142,850.97/214,274.27 = 34,781.34/x
  3. Step 3: Cross multiply
    142,850.97x = 214,274.27 × 34,781.34
  4. Step 4: Simplify right side
    142,850.97x = 7,452,747,128.60
  5. Step 5: Solve for x
    x = 7,452,747,128.60/142,850.97
  6. Step 6: Final answer
    x = 52,171.48

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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.