Home / 111,932.20-167,898.30-105,365.80

Finding the Fourth Proportional to 111,932.20, 167,898.30 and 105,365.80

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Solution

The fourth proportional to 111,932.20, 167,898.30 and 105,365.80 is: 158,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,932.20 : 167,898.30 = 105,365.80 : x
  2. Step 2: Convert to fraction form
    111,932.20/167,898.30 = 105,365.80/x
  3. Step 3: Cross multiply
    111,932.20x = 167,898.30 × 105,365.80
  4. Step 4: Simplify right side
    111,932.20x = 17,690,738,698.14
  5. Step 5: Solve for x
    x = 17,690,738,698.14/111,932.20
  6. Step 6: Final answer
    x = 158,048.70

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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.