Home / 190,787.37-263,273.40-105,897.75

Finding the Fourth Proportional to 190,787.37, 263,273.40 and 105,897.75

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Solution

The fourth proportional to 190,787.37, 263,273.40 and 105,897.75 is: 146,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,787.37 : 263,273.40 = 105,897.75 : x
  2. Step 2: Convert to fraction form
    190,787.37/263,273.40 = 105,897.75/x
  3. Step 3: Cross multiply
    190,787.37x = 263,273.40 × 105,897.75
  4. Step 4: Simplify right side
    190,787.37x = 27,880,060,694.85
  5. Step 5: Solve for x
    x = 27,880,060,694.85/190,787.37
  6. Step 6: Final answer
    x = 146,131.58

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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.