Home / 190,846.38-263,368.59-105,963.66

Finding the Fourth Proportional to 190,846.38, 263,368.59 and 105,963.66

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Solution

The fourth proportional to 190,846.38, 263,368.59 and 105,963.66 is: 146,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,846.38 : 263,368.59 = 105,963.66 : x
  2. Step 2: Convert to fraction form
    190,846.38/263,368.59 = 105,963.66/x
  3. Step 3: Cross multiply
    190,846.38x = 263,368.59 × 105,963.66
  4. Step 4: Simplify right side
    190,846.38x = 27,907,499,725.44
  5. Step 5: Solve for x
    x = 27,907,499,725.44/190,846.38
  6. Step 6: Final answer
    x = 146,230.18

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1.5x scale

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.