Home / 118,912.14-164,100.60-71,167.50

Finding the Fourth Proportional to 118,912.14, 164,100.60 and 71,167.50

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Solution

The fourth proportional to 118,912.14, 164,100.60 and 71,167.50 is: 98,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,912.14 : 164,100.60 = 71,167.50 : x
  2. Step 2: Convert to fraction form
    118,912.14/164,100.60 = 71,167.50/x
  3. Step 3: Cross multiply
    118,912.14x = 164,100.60 × 71,167.50
  4. Step 4: Simplify right side
    118,912.14x = 11,678,629,450.50
  5. Step 5: Solve for x
    x = 11,678,629,450.50/118,912.14
  6. Step 6: Final answer
    x = 98,212.26

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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.