Home / 194,072.94-291,109.41-53,831.56

Finding the Fourth Proportional to 194,072.94, 291,109.41 and 53,831.56

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Solution

The fourth proportional to 194,072.94, 291,109.41 and 53,831.56 is: 80,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,072.94 : 291,109.41 = 53,831.56 : x
  2. Step 2: Convert to fraction form
    194,072.94/291,109.41 = 53,831.56/x
  3. Step 3: Cross multiply
    194,072.94x = 291,109.41 × 53,831.56
  4. Step 4: Simplify right side
    194,072.94x = 15,670,873,670.98
  5. Step 5: Solve for x
    x = 15,670,873,670.98/194,072.94
  6. Step 6: Final answer
    x = 80,747.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.