Home / 236,912.22-326,939.46-129,483.54

Finding the Fourth Proportional to 236,912.22, 326,939.46 and 129,483.54

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Solution

The fourth proportional to 236,912.22, 326,939.46 and 129,483.54 is: 178,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,912.22 : 326,939.46 = 129,483.54 : x
  2. Step 2: Convert to fraction form
    236,912.22/326,939.46 = 129,483.54/x
  3. Step 3: Cross multiply
    236,912.22x = 326,939.46 × 129,483.54
  4. Step 4: Simplify right side
    236,912.22x = 42,333,278,646.49
  5. Step 5: Solve for x
    x = 42,333,278,646.49/236,912.22
  6. Step 6: Final answer
    x = 178,687.61

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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.