Home / 356,173.07-491,519.64-192,831.30

Finding the Fourth Proportional to 356,173.07, 491,519.64 and 192,831.30

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Solution

The fourth proportional to 356,173.07, 491,519.64 and 192,831.30 is: 266,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,173.07 : 491,519.64 = 192,831.30 : x
  2. Step 2: Convert to fraction form
    356,173.07/491,519.64 = 192,831.30/x
  3. Step 3: Cross multiply
    356,173.07x = 491,519.64 × 192,831.30
  4. Step 4: Simplify right side
    356,173.07x = 94,780,371,879.85
  5. Step 5: Solve for x
    x = 94,780,371,879.85/356,173.07
  6. Step 6: Final answer
    x = 266,107.63

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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.