Home / 118,968.19-164,190.69-68,667.19

Finding the Fourth Proportional to 118,968.19, 164,190.69 and 68,667.19

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Solution

The fourth proportional to 118,968.19, 164,190.69 and 68,667.19 is: 94,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,968.19 : 164,190.69 = 68,667.19 : x
  2. Step 2: Convert to fraction form
    118,968.19/164,190.69 = 68,667.19/x
  3. Step 3: Cross multiply
    118,968.19x = 164,190.69 × 68,667.19
  4. Step 4: Simplify right side
    118,968.19x = 11,274,512,895.98
  5. Step 5: Solve for x
    x = 11,274,512,895.98/118,968.19
  6. Step 6: Final answer
    x = 94,769.14

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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.