Home / 244,634.40-366,951.60-78,439.20

Finding the Fourth Proportional to 244,634.40, 366,951.60 and 78,439.20

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Solution

The fourth proportional to 244,634.40, 366,951.60 and 78,439.20 is: 117,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,634.40 : 366,951.60 = 78,439.20 : x
  2. Step 2: Convert to fraction form
    244,634.40/366,951.60 = 78,439.20/x
  3. Step 3: Cross multiply
    244,634.40x = 366,951.60 × 78,439.20
  4. Step 4: Simplify right side
    244,634.40x = 28,783,389,942.72
  5. Step 5: Solve for x
    x = 28,783,389,942.72/244,634.40
  6. Step 6: Final answer
    x = 117,658.80

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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.