Home / 253,740.50-379,558.85-193,311.73

Finding the Fourth Proportional to 253,740.50, 379,558.85 and 193,311.73

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Solution

The fourth proportional to 253,740.50, 379,558.85 and 193,311.73 is: 289,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,740.50 : 379,558.85 = 193,311.73 : x
  2. Step 2: Convert to fraction form
    253,740.50/379,558.85 = 193,311.73/x
  3. Step 3: Cross multiply
    253,740.50x = 379,558.85 × 193,311.73
  4. Step 4: Simplify right side
    253,740.50x = 73,373,177,438.20
  5. Step 5: Solve for x
    x = 73,373,177,438.20/253,740.50
  6. Step 6: Final answer
    x = 289,166.21

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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.