Home / 190,364.12-262,704.32-105,483

Finding the Fourth Proportional to 190,364.12, 262,704.32 and 105,483

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Solution

The fourth proportional to 190,364.12, 262,704.32 and 105,483 is: 145,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,364.12 : 262,704.32 = 105,483 : x
  2. Step 2: Convert to fraction form
    190,364.12/262,704.32 = 105,483/x
  3. Step 3: Cross multiply
    190,364.12x = 262,704.32 × 105,483
  4. Step 4: Simplify right side
    190,364.12x = 27,710,839,786.56
  5. Step 5: Solve for x
    x = 27,710,839,786.56/190,364.12
  6. Step 6: Final answer
    x = 145,567.56

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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.