Home / 367,729.30-551,464.35-131,079.70

Finding the Fourth Proportional to 367,729.30, 551,464.35 and 131,079.70

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Solution

The fourth proportional to 367,729.30, 551,464.35 and 131,079.70 is: 196,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,729.30 : 551,464.35 = 131,079.70 : x
  2. Step 2: Convert to fraction form
    367,729.30/551,464.35 = 131,079.70/x
  3. Step 3: Cross multiply
    367,729.30x = 551,464.35 × 131,079.70
  4. Step 4: Simplify right side
    367,729.30x = 72,285,781,558.70
  5. Step 5: Solve for x
    x = 72,285,781,558.70/367,729.30
  6. Step 6: Final answer
    x = 196,573.35

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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.