Home / 103,522.38-155,220.83-67,525.73

Finding the Fourth Proportional to 103,522.38, 155,220.83 and 67,525.73

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Solution

The fourth proportional to 103,522.38, 155,220.83 and 67,525.73 is: 101,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,522.38 : 155,220.83 = 67,525.73 : x
  2. Step 2: Convert to fraction form
    103,522.38/155,220.83 = 67,525.73/x
  3. Step 3: Cross multiply
    103,522.38x = 155,220.83 × 67,525.73
  4. Step 4: Simplify right side
    103,522.38x = 10,481,399,331.88
  5. Step 5: Solve for x
    x = 10,481,399,331.88/103,522.38
  6. Step 6: Final answer
    x = 101,247.67

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1.5x scale

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.