Home / 182,145.40-273,218.10-111,286.60

Finding the Fourth Proportional to 182,145.40, 273,218.10 and 111,286.60

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Solution

The fourth proportional to 182,145.40, 273,218.10 and 111,286.60 is: 166,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,145.40 : 273,218.10 = 111,286.60 : x
  2. Step 2: Convert to fraction form
    182,145.40/273,218.10 = 111,286.60/x
  3. Step 3: Cross multiply
    182,145.40x = 273,218.10 × 111,286.60
  4. Step 4: Simplify right side
    182,145.40x = 30,405,513,407.46
  5. Step 5: Solve for x
    x = 30,405,513,407.46/182,145.40
  6. Step 6: Final answer
    x = 166,929.90

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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.