Home / 131,467.51-197,131.10-68,223.96

Finding the Fourth Proportional to 131,467.51, 197,131.10 and 68,223.96

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Solution

The fourth proportional to 131,467.51, 197,131.10 and 68,223.96 is: 102,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,467.51 : 197,131.10 = 68,223.96 : x
  2. Step 2: Convert to fraction form
    131,467.51/197,131.10 = 68,223.96/x
  3. Step 3: Cross multiply
    131,467.51x = 197,131.10 × 68,223.96
  4. Step 4: Simplify right side
    131,467.51x = 13,449,063,295.50
  5. Step 5: Solve for x
    x = 13,449,063,295.50/131,467.51
  6. Step 6: Final answer
    x = 102,299.52

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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.