Home / 106,739.98-159,137.05-104,013.52

Finding the Fourth Proportional to 106,739.98, 159,137.05 and 104,013.52

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Solution

The fourth proportional to 106,739.98, 159,137.05 and 104,013.52 is: 155,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,739.98 : 159,137.05 = 104,013.52 : x
  2. Step 2: Convert to fraction form
    106,739.98/159,137.05 = 104,013.52/x
  3. Step 3: Cross multiply
    106,739.98x = 159,137.05 × 104,013.52
  4. Step 4: Simplify right side
    106,739.98x = 16,552,404,732.92
  5. Step 5: Solve for x
    x = 16,552,404,732.92/106,739.98
  6. Step 6: Final answer
    x = 155,072.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.