Home / 192,531.20-288,489.60-161,196.80

Finding the Fourth Proportional to 192,531.20, 288,489.60 and 161,196.80

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Solution

The fourth proportional to 192,531.20, 288,489.60 and 161,196.80 is: 241,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,531.20 : 288,489.60 = 161,196.80 : x
  2. Step 2: Convert to fraction form
    192,531.20/288,489.60 = 161,196.80/x
  3. Step 3: Cross multiply
    192,531.20x = 288,489.60 × 161,196.80
  4. Step 4: Simplify right side
    192,531.20x = 46,503,600,353.28
  5. Step 5: Solve for x
    x = 46,503,600,353.28/192,531.20
  6. Step 6: Final answer
    x = 241,538.00

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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.