Home / 135,114-202,669.38-126,893.34

Finding the Fourth Proportional to 135,114, 202,669.38 and 126,893.34

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Solution

The fourth proportional to 135,114, 202,669.38 and 126,893.34 is: 190,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,114 : 202,669.38 = 126,893.34 : x
  2. Step 2: Convert to fraction form
    135,114/202,669.38 = 126,893.34/x
  3. Step 3: Cross multiply
    135,114x = 202,669.38 × 126,893.34
  4. Step 4: Simplify right side
    135,114x = 25,717,394,543.93
  5. Step 5: Solve for x
    x = 25,717,394,543.93/135,114
  6. Step 6: Final answer
    x = 190,338.49

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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.