Home / 131,797.09-197,612.57-111,813.56

Finding the Fourth Proportional to 131,797.09, 197,612.57 and 111,813.56

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Solution

The fourth proportional to 131,797.09, 197,612.57 and 111,813.56 is: 167,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,797.09 : 197,612.57 = 111,813.56 : x
  2. Step 2: Convert to fraction form
    131,797.09/197,612.57 = 111,813.56/x
  3. Step 3: Cross multiply
    131,797.09x = 197,612.57 × 111,813.56
  4. Step 4: Simplify right side
    131,797.09x = 22,095,766,253.78
  5. Step 5: Solve for x
    x = 22,095,766,253.78/131,797.09
  6. Step 6: Final answer
    x = 167,649.88

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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.