Home / 104,033.36-143,665.21-98,365.97

Finding the Fourth Proportional to 104,033.36, 143,665.21 and 98,365.97

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Solution

The fourth proportional to 104,033.36, 143,665.21 and 98,365.97 is: 135,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,033.36 : 143,665.21 = 98,365.97 : x
  2. Step 2: Convert to fraction form
    104,033.36/143,665.21 = 98,365.97/x
  3. Step 3: Cross multiply
    104,033.36x = 143,665.21 × 98,365.97
  4. Step 4: Simplify right side
    104,033.36x = 14,131,767,126.97
  5. Step 5: Solve for x
    x = 14,131,767,126.97/104,033.36
  6. Step 6: Final answer
    x = 135,838.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.