Home / 149,227.04-205,932.84-82,159.04

Finding the Fourth Proportional to 149,227.04, 205,932.84 and 82,159.04

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Solution

The fourth proportional to 149,227.04, 205,932.84 and 82,159.04 is: 113,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,227.04 : 205,932.84 = 82,159.04 : x
  2. Step 2: Convert to fraction form
    149,227.04/205,932.84 = 82,159.04/x
  3. Step 3: Cross multiply
    149,227.04x = 205,932.84 × 82,159.04
  4. Step 4: Simplify right side
    149,227.04x = 16,919,244,438.87
  5. Step 5: Solve for x
    x = 16,919,244,438.87/149,227.04
  6. Step 6: Final answer
    x = 113,379.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.