Home / 190,893.76-263,436.57-104,860.72

Finding the Fourth Proportional to 190,893.76, 263,436.57 and 104,860.72

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Solution

The fourth proportional to 190,893.76, 263,436.57 and 104,860.72 is: 144,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,893.76 : 263,436.57 = 104,860.72 : x
  2. Step 2: Convert to fraction form
    190,893.76/263,436.57 = 104,860.72/x
  3. Step 3: Cross multiply
    190,893.76x = 263,436.57 × 104,860.72
  4. Step 4: Simplify right side
    190,893.76x = 27,624,148,404.53
  5. Step 5: Solve for x
    x = 27,624,148,404.53/190,893.76
  6. Step 6: Final answer
    x = 144,709.54

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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.