Home / 394,076.72-591,037.32-113,531.60

Finding the Fourth Proportional to 394,076.72, 591,037.32 and 113,531.60

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Solution

The fourth proportional to 394,076.72, 591,037.32 and 113,531.60 is: 170,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,076.72 : 591,037.32 = 113,531.60 : x
  2. Step 2: Convert to fraction form
    394,076.72/591,037.32 = 113,531.60/x
  3. Step 3: Cross multiply
    394,076.72x = 591,037.32 × 113,531.60
  4. Step 4: Simplify right side
    394,076.72x = 67,101,412,599.31
  5. Step 5: Solve for x
    x = 67,101,412,599.31/394,076.72
  6. Step 6: Final answer
    x = 170,275.00

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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.