Home / 448,982.10-673,583.85-133,438.95

Finding the Fourth Proportional to 448,982.10, 673,583.85 and 133,438.95

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Solution

The fourth proportional to 448,982.10, 673,583.85 and 133,438.95 is: 200,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,982.10 : 673,583.85 = 133,438.95 : x
  2. Step 2: Convert to fraction form
    448,982.10/673,583.85 = 133,438.95/x
  3. Step 3: Cross multiply
    448,982.10x = 673,583.85 × 133,438.95
  4. Step 4: Simplify right side
    448,982.10x = 89,882,321,680.96
  5. Step 5: Solve for x
    x = 89,882,321,680.96/448,982.10
  6. Step 6: Final answer
    x = 200,191.33

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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.