Home / 368,114.20-552,171.30-131,723.80

Finding the Fourth Proportional to 368,114.20, 552,171.30 and 131,723.80

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Solution

The fourth proportional to 368,114.20, 552,171.30 and 131,723.80 is: 197,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,114.20 : 552,171.30 = 131,723.80 : x
  2. Step 2: Convert to fraction form
    368,114.20/552,171.30 = 131,723.80/x
  3. Step 3: Cross multiply
    368,114.20x = 552,171.30 × 131,723.80
  4. Step 4: Simplify right side
    368,114.20x = 72,734,101,886.94
  5. Step 5: Solve for x
    x = 72,734,101,886.94/368,114.20
  6. Step 6: Final answer
    x = 197,585.70

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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.