Home / 134,100.33-200,963.46-100,781.38

Finding the Fourth Proportional to 134,100.33, 200,963.46 and 100,781.38

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Solution

The fourth proportional to 134,100.33, 200,963.46 and 100,781.38 is: 151,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,100.33 : 200,963.46 = 100,781.38 : x
  2. Step 2: Convert to fraction form
    134,100.33/200,963.46 = 100,781.38/x
  3. Step 3: Cross multiply
    134,100.33x = 200,963.46 × 100,781.38
  4. Step 4: Simplify right side
    134,100.33x = 20,253,374,607.17
  5. Step 5: Solve for x
    x = 20,253,374,607.17/134,100.33
  6. Step 6: Final answer
    x = 151,031.51

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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.