Home / 100,620.16-150,928.68-25,739.62

Finding the Fourth Proportional to 100,620.16, 150,928.68 and 25,739.62

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Solution

The fourth proportional to 100,620.16, 150,928.68 and 25,739.62 is: 38,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,620.16 : 150,928.68 = 25,739.62 : x
  2. Step 2: Convert to fraction form
    100,620.16/150,928.68 = 25,739.62/x
  3. Step 3: Cross multiply
    100,620.16x = 150,928.68 × 25,739.62
  4. Step 4: Simplify right side
    100,620.16x = 3,884,846,870.30
  5. Step 5: Solve for x
    x = 3,884,846,870.30/100,620.16
  6. Step 6: Final answer
    x = 38,609.03

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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.