Home / 355,890.25-491,127.21-192,546.24

Finding the Fourth Proportional to 355,890.25, 491,127.21 and 192,546.24

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Solution

The fourth proportional to 355,890.25, 491,127.21 and 192,546.24 is: 265,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,890.25 : 491,127.21 = 192,546.24 : x
  2. Step 2: Convert to fraction form
    355,890.25/491,127.21 = 192,546.24/x
  3. Step 3: Cross multiply
    355,890.25x = 491,127.21 × 192,546.24
  4. Step 4: Simplify right side
    355,890.25x = 94,564,695,805.46
  5. Step 5: Solve for x
    x = 94,564,695,805.46/355,890.25
  6. Step 6: Final answer
    x = 265,713.08

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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.