Home / 263,029.77-394,594.17-85,587.54

Finding the Fourth Proportional to 263,029.77, 394,594.17 and 85,587.54

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Solution

The fourth proportional to 263,029.77, 394,594.17 and 85,587.54 is: 128,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,029.77 : 394,594.17 = 85,587.54 : x
  2. Step 2: Convert to fraction form
    263,029.77/394,594.17 = 85,587.54/x
  3. Step 3: Cross multiply
    263,029.77x = 394,594.17 × 85,587.54
  4. Step 4: Simplify right side
    263,029.77x = 33,772,344,308.64
  5. Step 5: Solve for x
    x = 33,772,344,308.64/263,029.77
  6. Step 6: Final answer
    x = 128,397.42

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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.