Home / 190,794.88-263,283.74-105,905.26

Finding the Fourth Proportional to 190,794.88, 263,283.74 and 105,905.26

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Solution

The fourth proportional to 190,794.88, 263,283.74 and 105,905.26 is: 146,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,794.88 : 263,283.74 = 105,905.26 : x
  2. Step 2: Convert to fraction form
    190,794.88/263,283.74 = 105,905.26/x
  3. Step 3: Cross multiply
    190,794.88x = 263,283.74 × 105,905.26
  4. Step 4: Simplify right side
    190,794.88x = 27,883,132,938.47
  5. Step 5: Solve for x
    x = 27,883,132,938.47/190,794.88
  6. Step 6: Final answer
    x = 146,141.93

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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.