Home / 194,640.20-291,960.30-192,015.80

Finding the Fourth Proportional to 194,640.20, 291,960.30 and 192,015.80

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Solution

The fourth proportional to 194,640.20, 291,960.30 and 192,015.80 is: 288,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,640.20 : 291,960.30 = 192,015.80 : x
  2. Step 2: Convert to fraction form
    194,640.20/291,960.30 = 192,015.80/x
  3. Step 3: Cross multiply
    194,640.20x = 291,960.30 × 192,015.80
  4. Step 4: Simplify right side
    194,640.20x = 56,060,990,572.74
  5. Step 5: Solve for x
    x = 56,060,990,572.74/194,640.20
  6. Step 6: Final answer
    x = 288,023.70

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1.5x scale

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.