Home / 240,110.05-359,914.78-90,247.09

Finding the Fourth Proportional to 240,110.05, 359,914.78 and 90,247.09

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Solution

The fourth proportional to 240,110.05, 359,914.78 and 90,247.09 is: 135,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,110.05 : 359,914.78 = 90,247.09 : x
  2. Step 2: Convert to fraction form
    240,110.05/359,914.78 = 90,247.09/x
  3. Step 3: Cross multiply
    240,110.05x = 359,914.78 × 90,247.09
  4. Step 4: Simplify right side
    240,110.05x = 32,481,261,542.99
  5. Step 5: Solve for x
    x = 32,481,261,542.99/240,110.05
  6. Step 6: Final answer
    x = 135,276.56

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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.