Home / 106,216.46-159,269.79-31,327.05

Finding the Fourth Proportional to 106,216.46, 159,269.79 and 31,327.05

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Solution

The fourth proportional to 106,216.46, 159,269.79 and 31,327.05 is: 46,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,216.46 : 159,269.79 = 31,327.05 : x
  2. Step 2: Convert to fraction form
    106,216.46/159,269.79 = 31,327.05/x
  3. Step 3: Cross multiply
    106,216.46x = 159,269.79 × 31,327.05
  4. Step 4: Simplify right side
    106,216.46x = 4,989,453,389.56
  5. Step 5: Solve for x
    x = 4,989,453,389.56/106,216.46
  6. Step 6: Final answer
    x = 46,974.39

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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.