Home / 197,692.76-296,494.64-90,974.36

Finding the Fourth Proportional to 197,692.76, 296,494.64 and 90,974.36

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Solution

The fourth proportional to 197,692.76, 296,494.64 and 90,974.36 is: 136,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,692.76 : 296,494.64 = 90,974.36 : x
  2. Step 2: Convert to fraction form
    197,692.76/296,494.64 = 90,974.36/x
  3. Step 3: Cross multiply
    197,692.76x = 296,494.64 × 90,974.36
  4. Step 4: Simplify right side
    197,692.76x = 26,973,410,117.43
  5. Step 5: Solve for x
    x = 26,973,410,117.43/197,692.76
  6. Step 6: Final answer
    x = 136,441.06

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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.