Home / 220,840.57-331,313.72-71,094.86

Finding the Fourth Proportional to 220,840.57, 331,313.72 and 71,094.86

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Solution

The fourth proportional to 220,840.57, 331,313.72 and 71,094.86 is: 106,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,840.57 : 331,313.72 = 71,094.86 : x
  2. Step 2: Convert to fraction form
    220,840.57/331,313.72 = 71,094.86/x
  3. Step 3: Cross multiply
    220,840.57x = 331,313.72 × 71,094.86
  4. Step 4: Simplify right side
    220,840.57x = 23,554,701,769.86
  5. Step 5: Solve for x
    x = 23,554,701,769.86/220,840.57
  6. Step 6: Final answer
    x = 106,659.30

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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.