Home / 131,567.78-197,321.48-36,804.67

Finding the Fourth Proportional to 131,567.78, 197,321.48 and 36,804.67

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Solution

The fourth proportional to 131,567.78, 197,321.48 and 36,804.67 is: 55,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,567.78 : 197,321.48 = 36,804.67 : x
  2. Step 2: Convert to fraction form
    131,567.78/197,321.48 = 36,804.67/x
  3. Step 3: Cross multiply
    131,567.78x = 197,321.48 × 36,804.67
  4. Step 4: Simplify right side
    131,567.78x = 7,262,351,616.65
  5. Step 5: Solve for x
    x = 7,262,351,616.65/131,567.78
  6. Step 6: Final answer
    x = 55,198.56

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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.