Home / 190,793.87-263,282.37-105,904.25

Finding the Fourth Proportional to 190,793.87, 263,282.37 and 105,904.25

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Solution

The fourth proportional to 190,793.87, 263,282.37 and 105,904.25 is: 146,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,793.87 : 263,282.37 = 105,904.25 : x
  2. Step 2: Convert to fraction form
    190,793.87/263,282.37 = 105,904.25/x
  3. Step 3: Cross multiply
    190,793.87x = 263,282.37 × 105,904.25
  4. Step 4: Simplify right side
    190,793.87x = 27,882,721,933.07
  5. Step 5: Solve for x
    x = 27,882,721,933.07/190,793.87
  6. Step 6: Final answer
    x = 146,140.55

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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.