Home / 166,101.99-229,217.54-90,651.03

Finding the Fourth Proportional to 166,101.99, 229,217.54 and 90,651.03

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Solution

The fourth proportional to 166,101.99, 229,217.54 and 90,651.03 is: 125,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,101.99 : 229,217.54 = 90,651.03 : x
  2. Step 2: Convert to fraction form
    166,101.99/229,217.54 = 90,651.03/x
  3. Step 3: Cross multiply
    166,101.99x = 229,217.54 × 90,651.03
  4. Step 4: Simplify right side
    166,101.99x = 20,778,806,095.07
  5. Step 5: Solve for x
    x = 20,778,806,095.07/166,101.99
  6. Step 6: Final answer
    x = 125,096.67

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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.