Home / 358,227.11-494,353.39-197,078.70

Finding the Fourth Proportional to 358,227.11, 494,353.39 and 197,078.70

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Solution

The fourth proportional to 358,227.11, 494,353.39 and 197,078.70 is: 271,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,227.11 : 494,353.39 = 197,078.70 : x
  2. Step 2: Convert to fraction form
    358,227.11/494,353.39 = 197,078.70/x
  3. Step 3: Cross multiply
    358,227.11x = 494,353.39 × 197,078.70
  4. Step 4: Simplify right side
    358,227.11x = 97,426,521,278.48
  5. Step 5: Solve for x
    x = 97,426,521,278.48/358,227.11
  6. Step 6: Final answer
    x = 271,968.59

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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.