Home / 368,418.20-552,627.30-131,768.60

Finding the Fourth Proportional to 368,418.20, 552,627.30 and 131,768.60

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Solution

The fourth proportional to 368,418.20, 552,627.30 and 131,768.60 is: 197,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,418.20 : 552,627.30 = 131,768.60 : x
  2. Step 2: Convert to fraction form
    368,418.20/552,627.30 = 131,768.60/x
  3. Step 3: Cross multiply
    368,418.20x = 552,627.30 × 131,768.60
  4. Step 4: Simplify right side
    368,418.20x = 72,818,925,642.78
  5. Step 5: Solve for x
    x = 72,818,925,642.78/368,418.20
  6. Step 6: Final answer
    x = 197,652.90

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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.