Home / 166,811.14-230,200.05-91,359.64

Finding the Fourth Proportional to 166,811.14, 230,200.05 and 91,359.64

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Solution

The fourth proportional to 166,811.14, 230,200.05 and 91,359.64 is: 126,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,811.14 : 230,200.05 = 91,359.64 : x
  2. Step 2: Convert to fraction form
    166,811.14/230,200.05 = 91,359.64/x
  3. Step 3: Cross multiply
    166,811.14x = 230,200.05 × 91,359.64
  4. Step 4: Simplify right side
    166,811.14x = 21,030,993,695.98
  5. Step 5: Solve for x
    x = 21,030,993,695.98/166,811.14
  6. Step 6: Final answer
    x = 126,076.67

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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.