Home / 236,469.15-326,334.36-129,046.11

Finding the Fourth Proportional to 236,469.15, 326,334.36 and 129,046.11

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Solution

The fourth proportional to 236,469.15, 326,334.36 and 129,046.11 is: 178,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,469.15 : 326,334.36 = 129,046.11 : x
  2. Step 2: Convert to fraction form
    236,469.15/326,334.36 = 129,046.11/x
  3. Step 3: Cross multiply
    236,469.15x = 326,334.36 × 129,046.11
  4. Step 4: Simplify right side
    236,469.15x = 42,112,179,717.34
  5. Step 5: Solve for x
    x = 42,112,179,717.34/236,469.15
  6. Step 6: Final answer
    x = 178,087.42

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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.