Home / 220,584.36-330,715.23-70,739.36

Finding the Fourth Proportional to 220,584.36, 330,715.23 and 70,739.36

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Solution

The fourth proportional to 220,584.36, 330,715.23 and 70,739.36 is: 106,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,584.36 : 330,715.23 = 70,739.36 : x
  2. Step 2: Convert to fraction form
    220,584.36/330,715.23 = 70,739.36/x
  3. Step 3: Cross multiply
    220,584.36x = 330,715.23 × 70,739.36
  4. Step 4: Simplify right side
    220,584.36x = 23,394,582,058.88
  5. Step 5: Solve for x
    x = 23,394,582,058.88/220,584.36
  6. Step 6: Final answer
    x = 106,057.30

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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.