Home / 356,321.52-491,721.26-192,974.27

Finding the Fourth Proportional to 356,321.52, 491,721.26 and 192,974.27

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Solution

The fourth proportional to 356,321.52, 491,721.26 and 192,974.27 is: 266,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,321.52 : 491,721.26 = 192,974.27 : x
  2. Step 2: Convert to fraction form
    356,321.52/491,721.26 = 192,974.27/x
  3. Step 3: Cross multiply
    356,321.52x = 491,721.26 × 192,974.27
  4. Step 4: Simplify right side
    356,321.52x = 94,889,547,768.50
  5. Step 5: Solve for x
    x = 94,889,547,768.50/356,321.52
  6. Step 6: Final answer
    x = 266,303.16

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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.