Home / 197,211.85-295,716.48-90,503.96

Finding the Fourth Proportional to 197,211.85, 295,716.48 and 90,503.96

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Solution

The fourth proportional to 197,211.85, 295,716.48 and 90,503.96 is: 135,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,211.85 : 295,716.48 = 90,503.96 : x
  2. Step 2: Convert to fraction form
    197,211.85/295,716.48 = 90,503.96/x
  3. Step 3: Cross multiply
    197,211.85x = 295,716.48 × 90,503.96
  4. Step 4: Simplify right side
    197,211.85x = 26,763,510,659.29
  5. Step 5: Solve for x
    x = 26,763,510,659.29/197,211.85
  6. Step 6: Final answer
    x = 135,709.45

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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.