Home / 131,194.20-197,228.70-111,948.60

Finding the Fourth Proportional to 131,194.20, 197,228.70 and 111,948.60

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Solution

The fourth proportional to 131,194.20, 197,228.70 and 111,948.60 is: 168,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,194.20 : 197,228.70 = 111,948.60 : x
  2. Step 2: Convert to fraction form
    131,194.20/197,228.70 = 111,948.60/x
  3. Step 3: Cross multiply
    131,194.20x = 197,228.70 × 111,948.60
  4. Step 4: Simplify right side
    131,194.20x = 22,079,476,844.82
  5. Step 5: Solve for x
    x = 22,079,476,844.82/131,194.20
  6. Step 6: Final answer
    x = 168,296.14

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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.