Home / 303,836.49-419,258.61-167,862.33

Finding the Fourth Proportional to 303,836.49, 419,258.61 and 167,862.33

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Solution

The fourth proportional to 303,836.49, 419,258.61 and 167,862.33 is: 231,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,836.49 : 419,258.61 = 167,862.33 : x
  2. Step 2: Convert to fraction form
    303,836.49/419,258.61 = 167,862.33/x
  3. Step 3: Cross multiply
    303,836.49x = 419,258.61 × 167,862.33
  4. Step 4: Simplify right side
    303,836.49x = 70,377,727,147.16
  5. Step 5: Solve for x
    x = 70,377,727,147.16/303,836.49
  6. Step 6: Final answer
    x = 231,630.27

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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.