Home / 100,542.24-150,813.23-25,662.40

Finding the Fourth Proportional to 100,542.24, 150,813.23 and 25,662.40

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Solution

The fourth proportional to 100,542.24, 150,813.23 and 25,662.40 is: 38,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,542.24 : 150,813.23 = 25,662.40 : x
  2. Step 2: Convert to fraction form
    100,542.24/150,813.23 = 25,662.40/x
  3. Step 3: Cross multiply
    100,542.24x = 150,813.23 × 25,662.40
  4. Step 4: Simplify right side
    100,542.24x = 3,870,228,928.21
  5. Step 5: Solve for x
    x = 3,870,228,928.21/100,542.24
  6. Step 6: Final answer
    x = 38,493.56

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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.