Home / 381,986.70-572,561.55-192,144.30

Finding the Fourth Proportional to 381,986.70, 572,561.55 and 192,144.30

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Solution

The fourth proportional to 381,986.70, 572,561.55 and 192,144.30 is: 288,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,986.70 : 572,561.55 = 192,144.30 : x
  2. Step 2: Convert to fraction form
    381,986.70/572,561.55 = 192,144.30/x
  3. Step 3: Cross multiply
    381,986.70x = 572,561.55 × 192,144.30
  4. Step 4: Simplify right side
    381,986.70x = 110,014,438,231.67
  5. Step 5: Solve for x
    x = 110,014,438,231.67/381,986.70
  6. Step 6: Final answer
    x = 288,005.94

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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.