Home / 111,106.20-167,048.10-108,773.40

Finding the Fourth Proportional to 111,106.20, 167,048.10 and 108,773.40

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Solution

The fourth proportional to 111,106.20, 167,048.10 and 108,773.40 is: 163,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,106.20 : 167,048.10 = 108,773.40 : x
  2. Step 2: Convert to fraction form
    111,106.20/167,048.10 = 108,773.40/x
  3. Step 3: Cross multiply
    111,106.20x = 167,048.10 × 108,773.40
  4. Step 4: Simplify right side
    111,106.20x = 18,170,389,800.54
  5. Step 5: Solve for x
    x = 18,170,389,800.54/111,106.20
  6. Step 6: Final answer
    x = 163,540.74

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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.