Home / 190,651.76-263,098.62-105,768.83

Finding the Fourth Proportional to 190,651.76, 263,098.62 and 105,768.83

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Solution

The fourth proportional to 190,651.76, 263,098.62 and 105,768.83 is: 145,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,651.76 : 263,098.62 = 105,768.83 : x
  2. Step 2: Convert to fraction form
    190,651.76/263,098.62 = 105,768.83/x
  3. Step 3: Cross multiply
    190,651.76x = 263,098.62 × 105,768.83
  4. Step 4: Simplify right side
    190,651.76x = 27,827,631,896.52
  5. Step 5: Solve for x
    x = 27,827,631,896.52/190,651.76
  6. Step 6: Final answer
    x = 145,960.53

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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.