Home / 236,538-326,435.76-135,942.48

Finding the Fourth Proportional to 236,538, 326,435.76 and 135,942.48

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Solution

The fourth proportional to 236,538, 326,435.76 and 135,942.48 is: 187,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,538 : 326,435.76 = 135,942.48 : x
  2. Step 2: Convert to fraction form
    236,538/326,435.76 = 135,942.48/x
  3. Step 3: Cross multiply
    236,538x = 326,435.76 × 135,942.48
  4. Step 4: Simplify right side
    236,538x = 44,376,486,775.08
  5. Step 5: Solve for x
    x = 44,376,486,775.08/236,538
  6. Step 6: Final answer
    x = 187,608.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.