Home / 131,192.58-196,535.20-109,879.58

Finding the Fourth Proportional to 131,192.58, 196,535.20 and 109,879.58

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Solution

The fourth proportional to 131,192.58, 196,535.20 and 109,879.58 is: 164,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,192.58 : 196,535.20 = 109,879.58 : x
  2. Step 2: Convert to fraction form
    131,192.58/196,535.20 = 109,879.58/x
  3. Step 3: Cross multiply
    131,192.58x = 196,535.20 × 109,879.58
  4. Step 4: Simplify right side
    131,192.58x = 21,595,205,231.22
  5. Step 5: Solve for x
    x = 21,595,205,231.22/131,192.58
  6. Step 6: Final answer
    x = 164,606.91

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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.