Home / 111,100.80-166,456.78-92,500.36

Finding the Fourth Proportional to 111,100.80, 166,456.78 and 92,500.36

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Solution

The fourth proportional to 111,100.80, 166,456.78 and 92,500.36 is: 138,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,100.80 : 166,456.78 = 92,500.36 : x
  2. Step 2: Convert to fraction form
    111,100.80/166,456.78 = 92,500.36/x
  3. Step 3: Cross multiply
    111,100.80x = 166,456.78 × 92,500.36
  4. Step 4: Simplify right side
    111,100.80x = 15,397,312,074.44
  5. Step 5: Solve for x
    x = 15,397,312,074.44/111,100.80
  6. Step 6: Final answer
    x = 138,588.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.