Home / 131,243.22-196,922.51-68,899.22

Finding the Fourth Proportional to 131,243.22, 196,922.51 and 68,899.22

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Solution

The fourth proportional to 131,243.22, 196,922.51 and 68,899.22 is: 103,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,243.22 : 196,922.51 = 68,899.22 : x
  2. Step 2: Convert to fraction form
    131,243.22/196,922.51 = 68,899.22/x
  3. Step 3: Cross multiply
    131,243.22x = 196,922.51 × 68,899.22
  4. Step 4: Simplify right side
    131,243.22x = 13,567,807,339.44
  5. Step 5: Solve for x
    x = 13,567,807,339.44/131,243.22
  6. Step 6: Final answer
    x = 103,379.11

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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.