Home / 158,942.15-238,179.94-79,947.71

Finding the Fourth Proportional to 158,942.15, 238,179.94 and 79,947.71

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Solution

The fourth proportional to 158,942.15, 238,179.94 and 79,947.71 is: 119,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,942.15 : 238,179.94 = 79,947.71 : x
  2. Step 2: Convert to fraction form
    158,942.15/238,179.94 = 79,947.71/x
  3. Step 3: Cross multiply
    158,942.15x = 238,179.94 × 79,947.71
  4. Step 4: Simplify right side
    158,942.15x = 19,041,940,723.05
  5. Step 5: Solve for x
    x = 19,041,940,723.05/158,942.15
  6. Step 6: Final answer
    x = 119,804.22

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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.