Home / 166,134.24-229,264.32-90,682.56

Finding the Fourth Proportional to 166,134.24, 229,264.32 and 90,682.56

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Solution

The fourth proportional to 166,134.24, 229,264.32 and 90,682.56 is: 125,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,134.24 : 229,264.32 = 90,682.56 : x
  2. Step 2: Convert to fraction form
    166,134.24/229,264.32 = 90,682.56/x
  3. Step 3: Cross multiply
    166,134.24x = 229,264.32 × 90,682.56
  4. Step 4: Simplify right side
    166,134.24x = 20,790,275,454.26
  5. Step 5: Solve for x
    x = 20,790,275,454.26/166,134.24
  6. Step 6: Final answer
    x = 125,141.42

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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.