Home / 454,906.10-682,242.32-134,982.30

Finding the Fourth Proportional to 454,906.10, 682,242.32 and 134,982.30

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Solution

The fourth proportional to 454,906.10, 682,242.32 and 134,982.30 is: 202,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,906.10 : 682,242.32 = 134,982.30 : x
  2. Step 2: Convert to fraction form
    454,906.10/682,242.32 = 134,982.30/x
  3. Step 3: Cross multiply
    454,906.10x = 682,242.32 × 134,982.30
  4. Step 4: Simplify right side
    454,906.10x = 92,090,636,189.55
  5. Step 5: Solve for x
    x = 92,090,636,189.55/454,906.10
  6. Step 6: Final answer
    x = 202,438.78

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1.5x scale

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.