Home / 394,258.98-591,388.40-94,739.55

Finding the Fourth Proportional to 394,258.98, 591,388.40 and 94,739.55

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Solution

The fourth proportional to 394,258.98, 591,388.40 and 94,739.55 is: 142,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,258.98 : 591,388.40 = 94,739.55 : x
  2. Step 2: Convert to fraction form
    394,258.98/591,388.40 = 94,739.55/x
  3. Step 3: Cross multiply
    394,258.98x = 591,388.40 × 94,739.55
  4. Step 4: Simplify right side
    394,258.98x = 56,027,873,345.78
  5. Step 5: Solve for x
    x = 56,027,873,345.78/394,258.98
  6. Step 6: Final answer
    x = 142,109.32

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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.