Home / 118,896.81-164,072.44-71,176.47

Finding the Fourth Proportional to 118,896.81, 164,072.44 and 71,176.47

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Solution

The fourth proportional to 118,896.81, 164,072.44 and 71,176.47 is: 98,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,896.81 : 164,072.44 = 71,176.47 : x
  2. Step 2: Convert to fraction form
    118,896.81/164,072.44 = 71,176.47/x
  3. Step 3: Cross multiply
    118,896.81x = 164,072.44 × 71,176.47
  4. Step 4: Simplify right side
    118,896.81x = 11,678,097,099.73
  5. Step 5: Solve for x
    x = 11,678,097,099.73/118,896.81
  6. Step 6: Final answer
    x = 98,220.44

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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.