Home / 190,835.94-263,361.82-105,953

Finding the Fourth Proportional to 190,835.94, 263,361.82 and 105,953

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Solution

The fourth proportional to 190,835.94, 263,361.82 and 105,953 is: 146,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,835.94 : 263,361.82 = 105,953 : x
  2. Step 2: Convert to fraction form
    190,835.94/263,361.82 = 105,953/x
  3. Step 3: Cross multiply
    190,835.94x = 263,361.82 × 105,953
  4. Step 4: Simplify right side
    190,835.94x = 27,903,974,914.46
  5. Step 5: Solve for x
    x = 27,903,974,914.46/190,835.94
  6. Step 6: Final answer
    x = 146,219.71

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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.