Home / 358,240.10-494,371.30-197,091.69

Finding the Fourth Proportional to 358,240.10, 494,371.30 and 197,091.69

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Solution

The fourth proportional to 358,240.10, 494,371.30 and 197,091.69 is: 271,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,240.10 : 494,371.30 = 197,091.69 : x
  2. Step 2: Convert to fraction form
    358,240.10/494,371.30 = 197,091.69/x
  3. Step 3: Cross multiply
    358,240.10x = 494,371.30 × 197,091.69
  4. Step 4: Simplify right side
    358,240.10x = 97,436,475,004.50
  5. Step 5: Solve for x
    x = 97,436,475,004.50/358,240.10
  6. Step 6: Final answer
    x = 271,986.51

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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.