Home / 268,190.33-402,285.50-68,511.16

Finding the Fourth Proportional to 268,190.33, 402,285.50 and 68,511.16

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Solution

The fourth proportional to 268,190.33, 402,285.50 and 68,511.16 is: 102,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,190.33 : 402,285.50 = 68,511.16 : x
  2. Step 2: Convert to fraction form
    268,190.33/402,285.50 = 68,511.16/x
  3. Step 3: Cross multiply
    268,190.33x = 402,285.50 × 68,511.16
  4. Step 4: Simplify right side
    268,190.33x = 27,561,043,902.20
  5. Step 5: Solve for x
    x = 27,561,043,902.20/268,190.33
  6. Step 6: Final answer
    x = 102,766.73

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1.5x scale

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.