Home / 190,635.82-263,077.67-105,752.88

Finding the Fourth Proportional to 190,635.82, 263,077.67 and 105,752.88

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Solution

The fourth proportional to 190,635.82, 263,077.67 and 105,752.88 is: 145,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,635.82 : 263,077.67 = 105,752.88 : x
  2. Step 2: Convert to fraction form
    190,635.82/263,077.67 = 105,752.88/x
  3. Step 3: Cross multiply
    190,635.82x = 263,077.67 × 105,752.88
  4. Step 4: Simplify right side
    190,635.82x = 27,821,221,530.57
  5. Step 5: Solve for x
    x = 27,821,221,530.57/190,635.82
  6. Step 6: Final answer
    x = 145,939.11

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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.