Home / 194,634.20-291,951.30-54,392.60

Finding the Fourth Proportional to 194,634.20, 291,951.30 and 54,392.60

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Solution

The fourth proportional to 194,634.20, 291,951.30 and 54,392.60 is: 81,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,634.20 : 291,951.30 = 54,392.60 : x
  2. Step 2: Convert to fraction form
    194,634.20/291,951.30 = 54,392.60/x
  3. Step 3: Cross multiply
    194,634.20x = 291,951.30 × 54,392.60
  4. Step 4: Simplify right side
    194,634.20x = 15,879,990,280.38
  5. Step 5: Solve for x
    x = 15,879,990,280.38/194,634.20
  6. Step 6: Final answer
    x = 81,588.90

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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.