Home / 120,578.38-166,206.40-95,043.33

Finding the Fourth Proportional to 120,578.38, 166,206.40 and 95,043.33

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Solution

The fourth proportional to 120,578.38, 166,206.40 and 95,043.33 is: 131,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,578.38 : 166,206.40 = 95,043.33 : x
  2. Step 2: Convert to fraction form
    120,578.38/166,206.40 = 95,043.33/x
  3. Step 3: Cross multiply
    120,578.38x = 166,206.40 × 95,043.33
  4. Step 4: Simplify right side
    120,578.38x = 15,796,809,485.70
  5. Step 5: Solve for x
    x = 15,796,809,485.70/120,578.38
  6. Step 6: Final answer
    x = 131,008.64

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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.