Home / 190,668.14-263,153.43-105,812.54

Finding the Fourth Proportional to 190,668.14, 263,153.43 and 105,812.54

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Solution

The fourth proportional to 190,668.14, 263,153.43 and 105,812.54 is: 146,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,668.14 : 263,153.43 = 105,812.54 : x
  2. Step 2: Convert to fraction form
    190,668.14/263,153.43 = 105,812.54/x
  3. Step 3: Cross multiply
    190,668.14x = 263,153.43 × 105,812.54
  4. Step 4: Simplify right side
    190,668.14x = 27,844,932,838.01
  5. Step 5: Solve for x
    x = 27,844,932,838.01/190,668.14
  6. Step 6: Final answer
    x = 146,038.73

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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.