Home / 190,719.44-263,195.20-105,844.40

Finding the Fourth Proportional to 190,719.44, 263,195.20 and 105,844.40

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Solution

The fourth proportional to 190,719.44, 263,195.20 and 105,844.40 is: 146,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,719.44 : 263,195.20 = 105,844.40 : x
  2. Step 2: Convert to fraction form
    190,719.44/263,195.20 = 105,844.40/x
  3. Step 3: Cross multiply
    190,719.44x = 263,195.20 × 105,844.40
  4. Step 4: Simplify right side
    190,719.44x = 27,857,738,026.88
  5. Step 5: Solve for x
    x = 27,857,738,026.88/190,719.44
  6. Step 6: Final answer
    x = 146,066.59

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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.