Home / 268,436.15-401,778.03-197,339.96

Finding the Fourth Proportional to 268,436.15, 401,778.03 and 197,339.96

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Solution

The fourth proportional to 268,436.15, 401,778.03 and 197,339.96 is: 295,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,436.15 : 401,778.03 = 197,339.96 : x
  2. Step 2: Convert to fraction form
    268,436.15/401,778.03 = 197,339.96/x
  3. Step 3: Cross multiply
    268,436.15x = 401,778.03 × 197,339.96
  4. Step 4: Simplify right side
    268,436.15x = 79,286,858,360.19
  5. Step 5: Solve for x
    x = 79,286,858,360.19/268,436.15
  6. Step 6: Final answer
    x = 295,365.81

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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.