Home / 201,190.54-277,667.09-120,662.36

Finding the Fourth Proportional to 201,190.54, 277,667.09 and 120,662.36

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Solution

The fourth proportional to 201,190.54, 277,667.09 and 120,662.36 is: 166,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,190.54 : 277,667.09 = 120,662.36 : x
  2. Step 2: Convert to fraction form
    201,190.54/277,667.09 = 120,662.36/x
  3. Step 3: Cross multiply
    201,190.54x = 277,667.09 × 120,662.36
  4. Step 4: Simplify right side
    201,190.54x = 33,503,966,373.73
  5. Step 5: Solve for x
    x = 33,503,966,373.73/201,190.54
  6. Step 6: Final answer
    x = 166,528.54

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1.5x scale

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.