Home / 106,868.36-160,243.32-43,732.80

Finding the Fourth Proportional to 106,868.36, 160,243.32 and 43,732.80

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Solution

The fourth proportional to 106,868.36, 160,243.32 and 43,732.80 is: 65,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,868.36 : 160,243.32 = 43,732.80 : x
  2. Step 2: Convert to fraction form
    106,868.36/160,243.32 = 43,732.80/x
  3. Step 3: Cross multiply
    106,868.36x = 160,243.32 × 43,732.80
  4. Step 4: Simplify right side
    106,868.36x = 7,007,889,064.90
  5. Step 5: Solve for x
    x = 7,007,889,064.90/106,868.36
  6. Step 6: Final answer
    x = 65,574.97

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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.