Home / 131,739.98-197,610.48-31,900.04

Finding the Fourth Proportional to 131,739.98, 197,610.48 and 31,900.04

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Solution

The fourth proportional to 131,739.98, 197,610.48 and 31,900.04 is: 47,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739.98 : 197,610.48 = 31,900.04 : x
  2. Step 2: Convert to fraction form
    131,739.98/197,610.48 = 31,900.04/x
  3. Step 3: Cross multiply
    131,739.98x = 197,610.48 × 31,900.04
  4. Step 4: Simplify right side
    131,739.98x = 6,303,782,216.42
  5. Step 5: Solve for x
    x = 6,303,782,216.42/131,739.98
  6. Step 6: Final answer
    x = 47,850.18

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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.