Home / 190,137.45-262,391.63-105,252.69

Finding the Fourth Proportional to 190,137.45, 262,391.63 and 105,252.69

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Solution

The fourth proportional to 190,137.45, 262,391.63 and 105,252.69 is: 145,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,137.45 : 262,391.63 = 105,252.69 : x
  2. Step 2: Convert to fraction form
    190,137.45/262,391.63 = 105,252.69/x
  3. Step 3: Cross multiply
    190,137.45x = 262,391.63 × 105,252.69
  4. Step 4: Simplify right side
    190,137.45x = 27,617,424,364.72
  5. Step 5: Solve for x
    x = 27,617,424,364.72/190,137.45
  6. Step 6: Final answer
    x = 145,249.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.