Home / 102,974.20-154,446.90-32,860.60

Finding the Fourth Proportional to 102,974.20, 154,446.90 and 32,860.60

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Solution

The fourth proportional to 102,974.20, 154,446.90 and 32,860.60 is: 49,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,974.20 : 154,446.90 = 32,860.60 : x
  2. Step 2: Convert to fraction form
    102,974.20/154,446.90 = 32,860.60/x
  3. Step 3: Cross multiply
    102,974.20x = 154,446.90 × 32,860.60
  4. Step 4: Simplify right side
    102,974.20x = 5,075,217,802.14
  5. Step 5: Solve for x
    x = 5,075,217,802.14/102,974.20
  6. Step 6: Final answer
    x = 49,286.30

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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.