Home / 220,964.87-331,466.39-61,040.75

Finding the Fourth Proportional to 220,964.87, 331,466.39 and 61,040.75

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Solution

The fourth proportional to 220,964.87, 331,466.39 and 61,040.75 is: 91,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,964.87 : 331,466.39 = 61,040.75 : x
  2. Step 2: Convert to fraction form
    220,964.87/331,466.39 = 61,040.75/x
  3. Step 3: Cross multiply
    220,964.87x = 331,466.39 × 61,040.75
  4. Step 4: Simplify right side
    220,964.87x = 20,232,955,082.86
  5. Step 5: Solve for x
    x = 20,232,955,082.86/220,964.87
  6. Step 6: Final answer
    x = 91,566.39

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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.