Home / 111,012.40-166,081.20-96,383.80

Finding the Fourth Proportional to 111,012.40, 166,081.20 and 96,383.80

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Solution

The fourth proportional to 111,012.40, 166,081.20 and 96,383.80 is: 144,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,012.40 : 166,081.20 = 96,383.80 : x
  2. Step 2: Convert to fraction form
    111,012.40/166,081.20 = 96,383.80/x
  3. Step 3: Cross multiply
    111,012.40x = 166,081.20 × 96,383.80
  4. Step 4: Simplify right side
    111,012.40x = 16,007,537,164.56
  5. Step 5: Solve for x
    x = 16,007,537,164.56/111,012.40
  6. Step 6: Final answer
    x = 144,195.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.