Home / 381,822.60-572,733.90-132,504.60

Finding the Fourth Proportional to 381,822.60, 572,733.90 and 132,504.60

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Solution

The fourth proportional to 381,822.60, 572,733.90 and 132,504.60 is: 198,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,822.60 : 572,733.90 = 132,504.60 : x
  2. Step 2: Convert to fraction form
    381,822.60/572,733.90 = 132,504.60/x
  3. Step 3: Cross multiply
    381,822.60x = 572,733.90 × 132,504.60
  4. Step 4: Simplify right side
    381,822.60x = 75,889,876,325.94
  5. Step 5: Solve for x
    x = 75,889,876,325.94/381,822.60
  6. Step 6: Final answer
    x = 198,756.90

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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.