Home / 201,900.65-302,565.23-111,982.95

Finding the Fourth Proportional to 201,900.65, 302,565.23 and 111,982.95

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Solution

The fourth proportional to 201,900.65, 302,565.23 and 111,982.95 is: 167,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,900.65 : 302,565.23 = 111,982.95 : x
  2. Step 2: Convert to fraction form
    201,900.65/302,565.23 = 111,982.95/x
  3. Step 3: Cross multiply
    201,900.65x = 302,565.23 × 111,982.95
  4. Step 4: Simplify right side
    201,900.65x = 33,882,147,022.83
  5. Step 5: Solve for x
    x = 33,882,147,022.83/201,900.65
  6. Step 6: Final answer
    x = 167,815.94

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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.