Home / 166,106.22-229,146.85-108,720.28

Finding the Fourth Proportional to 166,106.22, 229,146.85 and 108,720.28

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Solution

The fourth proportional to 166,106.22, 229,146.85 and 108,720.28 is: 149,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,106.22 : 229,146.85 = 108,720.28 : x
  2. Step 2: Convert to fraction form
    166,106.22/229,146.85 = 108,720.28/x
  3. Step 3: Cross multiply
    166,106.22x = 229,146.85 × 108,720.28
  4. Step 4: Simplify right side
    166,106.22x = 24,912,908,003.78
  5. Step 5: Solve for x
    x = 24,912,908,003.78/166,106.22
  6. Step 6: Final answer
    x = 149,981.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.