Home / 263,011.20-394,516.80-96,777.60

Finding the Fourth Proportional to 263,011.20, 394,516.80 and 96,777.60

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Solution

The fourth proportional to 263,011.20, 394,516.80 and 96,777.60 is: 145,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,011.20 : 394,516.80 = 96,777.60 : x
  2. Step 2: Convert to fraction form
    263,011.20/394,516.80 = 96,777.60/x
  3. Step 3: Cross multiply
    263,011.20x = 394,516.80 × 96,777.60
  4. Step 4: Simplify right side
    263,011.20x = 38,180,389,063.68
  5. Step 5: Solve for x
    x = 38,180,389,063.68/263,011.20
  6. Step 6: Final answer
    x = 145,166.40

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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.