Home / 542,850.12-814,331.04-187,863.60

Finding the Fourth Proportional to 542,850.12, 814,331.04 and 187,863.60

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Solution

The fourth proportional to 542,850.12, 814,331.04 and 187,863.60 is: 281,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,850.12 : 814,331.04 = 187,863.60 : x
  2. Step 2: Convert to fraction form
    542,850.12/814,331.04 = 187,863.60/x
  3. Step 3: Cross multiply
    542,850.12x = 814,331.04 × 187,863.60
  4. Step 4: Simplify right side
    542,850.12x = 152,983,160,766.14
  5. Step 5: Solve for x
    x = 152,983,160,766.14/542,850.12
  6. Step 6: Final answer
    x = 281,814.73

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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.