Home / 190,635.62-263,077.26-105,752.75

Finding the Fourth Proportional to 190,635.62, 263,077.26 and 105,752.75

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Solution

The fourth proportional to 190,635.62, 263,077.26 and 105,752.75 is: 145,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,635.62 : 263,077.26 = 105,752.75 : x
  2. Step 2: Convert to fraction form
    190,635.62/263,077.26 = 105,752.75/x
  3. Step 3: Cross multiply
    190,635.62x = 263,077.26 × 105,752.75
  4. Step 4: Simplify right side
    190,635.62x = 27,821,143,707.47
  5. Step 5: Solve for x
    x = 27,821,143,707.47/190,635.62
  6. Step 6: Final answer
    x = 145,938.85

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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.