Home / 166,666.35-229,997.94-90,183.77

Finding the Fourth Proportional to 166,666.35, 229,997.94 and 90,183.77

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Solution

The fourth proportional to 166,666.35, 229,997.94 and 90,183.77 is: 124,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,666.35 : 229,997.94 = 90,183.77 : x
  2. Step 2: Convert to fraction form
    166,666.35/229,997.94 = 90,183.77/x
  3. Step 3: Cross multiply
    166,666.35x = 229,997.94 × 90,183.77
  4. Step 4: Simplify right side
    166,666.35x = 20,742,081,321.43
  5. Step 5: Solve for x
    x = 20,742,081,321.43/166,666.35
  6. Step 6: Final answer
    x = 124,452.72

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1.5x scale

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.