Home / 358,078.92-494,139-196,933.92

Finding the Fourth Proportional to 358,078.92, 494,139 and 196,933.92

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Solution

The fourth proportional to 358,078.92, 494,139 and 196,933.92 is: 271,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,078.92 : 494,139 = 196,933.92 : x
  2. Step 2: Convert to fraction form
    358,078.92/494,139 = 196,933.92/x
  3. Step 3: Cross multiply
    358,078.92x = 494,139 × 196,933.92
  4. Step 4: Simplify right side
    358,078.92x = 97,312,730,294.88
  5. Step 5: Solve for x
    x = 97,312,730,294.88/358,078.92
  6. Step 6: Final answer
    x = 271,763.36

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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.