Home / 111,186.82-166,787.67-39,131.17

Finding the Fourth Proportional to 111,186.82, 166,787.67 and 39,131.17

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Solution

The fourth proportional to 111,186.82, 166,787.67 and 39,131.17 is: 58,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186.82 : 166,787.67 = 39,131.17 : x
  2. Step 2: Convert to fraction form
    111,186.82/166,787.67 = 39,131.17/x
  3. Step 3: Cross multiply
    111,186.82x = 166,787.67 × 39,131.17
  4. Step 4: Simplify right side
    111,186.82x = 6,526,596,668.67
  5. Step 5: Solve for x
    x = 6,526,596,668.67/111,186.82
  6. Step 6: Final answer
    x = 58,699.37

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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.