Home / 111,076.20-167,003.10-108,743.40

Finding the Fourth Proportional to 111,076.20, 167,003.10 and 108,743.40

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Solution

The fourth proportional to 111,076.20, 167,003.10 and 108,743.40 is: 163,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,076.20 : 167,003.10 = 108,743.40 : x
  2. Step 2: Convert to fraction form
    111,076.20/167,003.10 = 108,743.40/x
  3. Step 3: Cross multiply
    111,076.20x = 167,003.10 × 108,743.40
  4. Step 4: Simplify right side
    111,076.20x = 18,160,484,904.54
  5. Step 5: Solve for x
    x = 18,160,484,904.54/111,076.20
  6. Step 6: Final answer
    x = 163,495.73

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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.