Home / 109,040.40-163,560.60-82,796.40

Finding the Fourth Proportional to 109,040.40, 163,560.60 and 82,796.40

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Solution

The fourth proportional to 109,040.40, 163,560.60 and 82,796.40 is: 124,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040.40 : 163,560.60 = 82,796.40 : x
  2. Step 2: Convert to fraction form
    109,040.40/163,560.60 = 82,796.40/x
  3. Step 3: Cross multiply
    109,040.40x = 163,560.60 × 82,796.40
  4. Step 4: Simplify right side
    109,040.40x = 13,542,228,861.84
  5. Step 5: Solve for x
    x = 13,542,228,861.84/109,040.40
  6. Step 6: Final answer
    x = 124,194.60

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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.