Home / 220,583.10-330,713.36-70,738.10

Finding the Fourth Proportional to 220,583.10, 330,713.36 and 70,738.10

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Solution

The fourth proportional to 220,583.10, 330,713.36 and 70,738.10 is: 106,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,583.10 : 330,713.36 = 70,738.10 : x
  2. Step 2: Convert to fraction form
    220,583.10/330,713.36 = 70,738.10/x
  3. Step 3: Cross multiply
    220,583.10x = 330,713.36 × 70,738.10
  4. Step 4: Simplify right side
    220,583.10x = 23,394,034,731.02
  5. Step 5: Solve for x
    x = 23,394,034,731.02/220,583.10
  6. Step 6: Final answer
    x = 106,055.43

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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.