Home / 120,903.14-166,850.38-67,190.42

Finding the Fourth Proportional to 120,903.14, 166,850.38 and 67,190.42

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Solution

The fourth proportional to 120,903.14, 166,850.38 and 67,190.42 is: 92,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,903.14 : 166,850.38 = 67,190.42 : x
  2. Step 2: Convert to fraction form
    120,903.14/166,850.38 = 67,190.42/x
  3. Step 3: Cross multiply
    120,903.14x = 166,850.38 × 67,190.42
  4. Step 4: Simplify right side
    120,903.14x = 11,210,747,109.36
  5. Step 5: Solve for x
    x = 11,210,747,109.36/120,903.14
  6. Step 6: Final answer
    x = 92,725.03

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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.