Home / 100,149.85-150,215.04-26,277.85

Finding the Fourth Proportional to 100,149.85, 150,215.04 and 26,277.85

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Solution

The fourth proportional to 100,149.85, 150,215.04 and 26,277.85 is: 39,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,149.85 : 150,215.04 = 26,277.85 : x
  2. Step 2: Convert to fraction form
    100,149.85/150,215.04 = 26,277.85/x
  3. Step 3: Cross multiply
    100,149.85x = 150,215.04 × 26,277.85
  4. Step 4: Simplify right side
    100,149.85x = 3,947,328,288.86
  5. Step 5: Solve for x
    x = 3,947,328,288.86/100,149.85
  6. Step 6: Final answer
    x = 39,414.22

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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.