Home / 268,319.85-401,815.45-197,073.54

Finding the Fourth Proportional to 268,319.85, 401,815.45 and 197,073.54

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Solution

The fourth proportional to 268,319.85, 401,815.45 and 197,073.54 is: 295,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,319.85 : 401,815.45 = 197,073.54 : x
  2. Step 2: Convert to fraction form
    268,319.85/401,815.45 = 197,073.54/x
  3. Step 3: Cross multiply
    268,319.85x = 401,815.45 × 197,073.54
  4. Step 4: Simplify right side
    268,319.85x = 79,187,193,158.19
  5. Step 5: Solve for x
    x = 79,187,193,158.19/268,319.85
  6. Step 6: Final answer
    x = 295,122.38

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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.