Home / 263,282.07-394,964.08-85,747.77

Finding the Fourth Proportional to 263,282.07, 394,964.08 and 85,747.77

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Solution

The fourth proportional to 263,282.07, 394,964.08 and 85,747.77 is: 128,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,282.07 : 394,964.08 = 85,747.77 : x
  2. Step 2: Convert to fraction form
    263,282.07/394,964.08 = 85,747.77/x
  3. Step 3: Cross multiply
    263,282.07x = 394,964.08 × 85,747.77
  4. Step 4: Simplify right side
    263,282.07x = 33,867,289,090.10
  5. Step 5: Solve for x
    x = 33,867,289,090.10/263,282.07
  6. Step 6: Final answer
    x = 128,635.00

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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.