Home / 100,623.33-150,940.17-25,744.12

Finding the Fourth Proportional to 100,623.33, 150,940.17 and 25,744.12

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Solution

The fourth proportional to 100,623.33, 150,940.17 and 25,744.12 is: 38,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,623.33 : 150,940.17 = 25,744.12 : x
  2. Step 2: Convert to fraction form
    100,623.33/150,940.17 = 25,744.12/x
  3. Step 3: Cross multiply
    100,623.33x = 150,940.17 × 25,744.12
  4. Step 4: Simplify right side
    100,623.33x = 3,885,821,471.95
  5. Step 5: Solve for x
    x = 3,885,821,471.95/100,623.33
  6. Step 6: Final answer
    x = 38,617.50

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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.