Home / 111,214.27-166,786.90-40,127.65

Finding the Fourth Proportional to 111,214.27, 166,786.90 and 40,127.65

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Solution

The fourth proportional to 111,214.27, 166,786.90 and 40,127.65 is: 60,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,214.27 : 166,786.90 = 40,127.65 : x
  2. Step 2: Convert to fraction form
    111,214.27/166,786.90 = 40,127.65/x
  3. Step 3: Cross multiply
    111,214.27x = 166,786.90 × 40,127.65
  4. Step 4: Simplify right side
    111,214.27x = 6,692,766,768.67
  5. Step 5: Solve for x
    x = 6,692,766,768.67/111,214.27
  6. Step 6: Final answer
    x = 60,179.03

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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.