Home / 201,901.20-302,566.06-111,983.52

Finding the Fourth Proportional to 201,901.20, 302,566.06 and 111,983.52

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Solution

The fourth proportional to 201,901.20, 302,566.06 and 111,983.52 is: 167,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,901.20 : 302,566.06 = 111,983.52 : x
  2. Step 2: Convert to fraction form
    201,901.20/302,566.06 = 111,983.52/x
  3. Step 3: Cross multiply
    201,901.20x = 302,566.06 × 111,983.52
  4. Step 4: Simplify right side
    201,901.20x = 33,882,412,431.33
  5. Step 5: Solve for x
    x = 33,882,412,431.33/201,901.20
  6. Step 6: Final answer
    x = 167,816.80

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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.