Home / 222,813.82-334,117.05-82,534.78

Finding the Fourth Proportional to 222,813.82, 334,117.05 and 82,534.78

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Solution

The fourth proportional to 222,813.82, 334,117.05 and 82,534.78 is: 123,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,813.82 : 334,117.05 = 82,534.78 : x
  2. Step 2: Convert to fraction form
    222,813.82/334,117.05 = 82,534.78/x
  3. Step 3: Cross multiply
    222,813.82x = 334,117.05 × 82,534.78
  4. Step 4: Simplify right side
    222,813.82x = 27,576,277,216.00
  5. Step 5: Solve for x
    x = 27,576,277,216.00/222,813.82
  6. Step 6: Final answer
    x = 123,763.76

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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.