Home / 166,447.62-229,697.91-90,996.12

Finding the Fourth Proportional to 166,447.62, 229,697.91 and 90,996.12

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Solution

The fourth proportional to 166,447.62, 229,697.91 and 90,996.12 is: 125,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,447.62 : 229,697.91 = 90,996.12 : x
  2. Step 2: Convert to fraction form
    166,447.62/229,697.91 = 90,996.12/x
  3. Step 3: Cross multiply
    166,447.62x = 229,697.91 × 90,996.12
  4. Step 4: Simplify right side
    166,447.62x = 20,901,618,582.11
  5. Step 5: Solve for x
    x = 20,901,618,582.11/166,447.62
  6. Step 6: Final answer
    x = 125,574.75

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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.