Home / 228,669.62-343,121.53-108,862.12

Finding the Fourth Proportional to 228,669.62, 343,121.53 and 108,862.12

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Solution

The fourth proportional to 228,669.62, 343,121.53 and 108,862.12 is: 163,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,669.62 : 343,121.53 = 108,862.12 : x
  2. Step 2: Convert to fraction form
    228,669.62/343,121.53 = 108,862.12/x
  3. Step 3: Cross multiply
    228,669.62x = 343,121.53 × 108,862.12
  4. Step 4: Simplify right side
    228,669.62x = 37,352,936,043.48
  5. Step 5: Solve for x
    x = 37,352,936,043.48/228,669.62
  6. Step 6: Final answer
    x = 163,348.92

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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.