Home / 394,258.60-591,387.84-94,739.18

Finding the Fourth Proportional to 394,258.60, 591,387.84 and 94,739.18

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Solution

The fourth proportional to 394,258.60, 591,387.84 and 94,739.18 is: 142,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,258.60 : 591,387.84 = 94,739.18 : x
  2. Step 2: Convert to fraction form
    394,258.60/591,387.84 = 94,739.18/x
  3. Step 3: Cross multiply
    394,258.60x = 591,387.84 × 94,739.18
  4. Step 4: Simplify right side
    394,258.60x = 56,027,598,977.37
  5. Step 5: Solve for x
    x = 56,027,598,977.37/394,258.60
  6. Step 6: Final answer
    x = 142,108.76

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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.