Home / 166,181.44-229,329.21-90,729.94

Finding the Fourth Proportional to 166,181.44, 229,329.21 and 90,729.94

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Solution

The fourth proportional to 166,181.44, 229,329.21 and 90,729.94 is: 125,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,181.44 : 229,329.21 = 90,729.94 : x
  2. Step 2: Convert to fraction form
    166,181.44/229,329.21 = 90,729.94/x
  3. Step 3: Cross multiply
    166,181.44x = 229,329.21 × 90,729.94
  4. Step 4: Simplify right side
    166,181.44x = 20,807,025,463.55
  5. Step 5: Solve for x
    x = 20,807,025,463.55/166,181.44
  6. Step 6: Final answer
    x = 125,206.67

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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.