Home / 190,786.31-263,271.93-105,896.69

Finding the Fourth Proportional to 190,786.31, 263,271.93 and 105,896.69

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Solution

The fourth proportional to 190,786.31, 263,271.93 and 105,896.69 is: 146,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,786.31 : 263,271.93 = 105,896.69 : x
  2. Step 2: Convert to fraction form
    190,786.31/263,271.93 = 105,896.69/x
  3. Step 3: Cross multiply
    190,786.31x = 263,271.93 × 105,896.69
  4. Step 4: Simplify right side
    190,786.31x = 27,879,625,956.91
  5. Step 5: Solve for x
    x = 27,879,625,956.91/190,786.31
  6. Step 6: Final answer
    x = 146,130.12

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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.