Home / 166,579.56-229,882.92-91,129.68

Finding the Fourth Proportional to 166,579.56, 229,882.92 and 91,129.68

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Solution

The fourth proportional to 166,579.56, 229,882.92 and 91,129.68 is: 125,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,579.56 : 229,882.92 = 91,129.68 : x
  2. Step 2: Convert to fraction form
    166,579.56/229,882.92 = 91,129.68/x
  3. Step 3: Cross multiply
    166,579.56x = 229,882.92 × 91,129.68
  4. Step 4: Simplify right side
    166,579.56x = 20,949,156,937.07
  5. Step 5: Solve for x
    x = 20,949,156,937.07/166,579.56
  6. Step 6: Final answer
    x = 125,760.67

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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.