Home / 100,930.80-151,378.92-33,454.56

Finding the Fourth Proportional to 100,930.80, 151,378.92 and 33,454.56

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Solution

The fourth proportional to 100,930.80, 151,378.92 and 33,454.56 is: 50,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,930.80 : 151,378.92 = 33,454.56 : x
  2. Step 2: Convert to fraction form
    100,930.80/151,378.92 = 33,454.56/x
  3. Step 3: Cross multiply
    100,930.80x = 151,378.92 × 33,454.56
  4. Step 4: Simplify right side
    100,930.80x = 5,064,315,161.88
  5. Step 5: Solve for x
    x = 5,064,315,161.88/100,930.80
  6. Step 6: Final answer
    x = 50,176.11

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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.