Home / 131,179.20-197,206.20-111,933.60

Finding the Fourth Proportional to 131,179.20, 197,206.20 and 111,933.60

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Solution

The fourth proportional to 131,179.20, 197,206.20 and 111,933.60 is: 168,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,179.20 : 197,206.20 = 111,933.60 : x
  2. Step 2: Convert to fraction form
    131,179.20/197,206.20 = 111,933.60/x
  3. Step 3: Cross multiply
    131,179.20x = 197,206.20 × 111,933.60
  4. Step 4: Simplify right side
    131,179.20x = 22,073,999,908.32
  5. Step 5: Solve for x
    x = 22,073,999,908.32/131,179.20
  6. Step 6: Final answer
    x = 168,273.63

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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.