Home / 350,931.37-484,286.74-189,786.42

Finding the Fourth Proportional to 350,931.37, 484,286.74 and 189,786.42

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Solution

The fourth proportional to 350,931.37, 484,286.74 and 189,786.42 is: 261,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,931.37 : 484,286.74 = 189,786.42 : x
  2. Step 2: Convert to fraction form
    350,931.37/484,286.74 = 189,786.42/x
  3. Step 3: Cross multiply
    350,931.37x = 484,286.74 × 189,786.42
  4. Step 4: Simplify right side
    350,931.37x = 91,911,044,216.64
  5. Step 5: Solve for x
    x = 91,911,044,216.64/350,931.37
  6. Step 6: Final answer
    x = 261,906.04

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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.