Home / 358,153.45-494,268.38-197,005.57

Finding the Fourth Proportional to 358,153.45, 494,268.38 and 197,005.57

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Solution

The fourth proportional to 358,153.45, 494,268.38 and 197,005.57 is: 271,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,153.45 : 494,268.38 = 197,005.57 : x
  2. Step 2: Convert to fraction form
    358,153.45/494,268.38 = 197,005.57/x
  3. Step 3: Cross multiply
    358,153.45x = 494,268.38 × 197,005.57
  4. Step 4: Simplify right side
    358,153.45x = 97,373,622,452.95
  5. Step 5: Solve for x
    x = 97,373,622,452.95/358,153.45
  6. Step 6: Final answer
    x = 271,876.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.