Home / 106,195.67-159,293.31-31,368.36

Finding the Fourth Proportional to 106,195.67, 159,293.31 and 31,368.36

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Solution

The fourth proportional to 106,195.67, 159,293.31 and 31,368.36 is: 47,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,195.67 : 159,293.31 = 31,368.36 : x
  2. Step 2: Convert to fraction form
    106,195.67/159,293.31 = 31,368.36/x
  3. Step 3: Cross multiply
    106,195.67x = 159,293.31 × 31,368.36
  4. Step 4: Simplify right side
    106,195.67x = 4,996,768,940.36
  5. Step 5: Solve for x
    x = 4,996,768,940.36/106,195.67
  6. Step 6: Final answer
    x = 47,052.47

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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.