Home / 355,998.36-491,276.03-192,654.78

Finding the Fourth Proportional to 355,998.36, 491,276.03 and 192,654.78

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Solution

The fourth proportional to 355,998.36, 491,276.03 and 192,654.78 is: 265,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,998.36 : 491,276.03 = 192,654.78 : x
  2. Step 2: Convert to fraction form
    355,998.36/491,276.03 = 192,654.78/x
  3. Step 3: Cross multiply
    355,998.36x = 491,276.03 × 192,654.78
  4. Step 4: Simplify right side
    355,998.36x = 94,646,675,478.92
  5. Step 5: Solve for x
    x = 94,646,675,478.92/355,998.36
  6. Step 6: Final answer
    x = 265,862.67

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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.