Home / 166,106.18-229,146.81-108,720.24

Finding the Fourth Proportional to 166,106.18, 229,146.81 and 108,720.24

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Solution

The fourth proportional to 166,106.18, 229,146.81 and 108,720.24 is: 149,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,106.18 : 229,146.81 = 108,720.24 : x
  2. Step 2: Convert to fraction form
    166,106.18/229,146.81 = 108,720.24/x
  3. Step 3: Cross multiply
    166,106.18x = 229,146.81 × 108,720.24
  4. Step 4: Simplify right side
    166,106.18x = 24,912,896,178.43
  5. Step 5: Solve for x
    x = 24,912,896,178.43/166,106.18
  6. Step 6: Final answer
    x = 149,981.76

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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.