Home / 190,650.92-263,105.70-105,771.56

Finding the Fourth Proportional to 190,650.92, 263,105.70 and 105,771.56

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Solution

The fourth proportional to 190,650.92, 263,105.70 and 105,771.56 is: 145,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,650.92 : 263,105.70 = 105,771.56 : x
  2. Step 2: Convert to fraction form
    190,650.92/263,105.70 = 105,771.56/x
  3. Step 3: Cross multiply
    190,650.92x = 263,105.70 × 105,771.56
  4. Step 4: Simplify right side
    190,650.92x = 27,829,100,333.89
  5. Step 5: Solve for x
    x = 27,829,100,333.89/190,650.92
  6. Step 6: Final answer
    x = 145,968.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.