Home / 173,126.98-259,007.19-131,128.12

Finding the Fourth Proportional to 173,126.98, 259,007.19 and 131,128.12

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Solution

The fourth proportional to 173,126.98, 259,007.19 and 131,128.12 is: 196,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,126.98 : 259,007.19 = 131,128.12 : x
  2. Step 2: Convert to fraction form
    173,126.98/259,007.19 = 131,128.12/x
  3. Step 3: Cross multiply
    173,126.98x = 259,007.19 × 131,128.12
  4. Step 4: Simplify right side
    173,126.98x = 33,963,125,891.18
  5. Step 5: Solve for x
    x = 33,963,125,891.18/173,126.98
  6. Step 6: Final answer
    x = 196,174.66

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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.