Home / 100,107.12-150,158.91-25,225.59

Finding the Fourth Proportional to 100,107.12, 150,158.91 and 25,225.59

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Solution

The fourth proportional to 100,107.12, 150,158.91 and 25,225.59 is: 37,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,107.12 : 150,158.91 = 25,225.59 : x
  2. Step 2: Convert to fraction form
    100,107.12/150,158.91 = 25,225.59/x
  3. Step 3: Cross multiply
    100,107.12x = 150,158.91 × 25,225.59
  4. Step 4: Simplify right side
    100,107.12x = 3,787,847,098.51
  5. Step 5: Solve for x
    x = 3,787,847,098.51/100,107.12
  6. Step 6: Final answer
    x = 37,837.94

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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.