Home / 190,964.82-263,538.93-130,661.94

Finding the Fourth Proportional to 190,964.82, 263,538.93 and 130,661.94

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Solution

The fourth proportional to 190,964.82, 263,538.93 and 130,661.94 is: 180,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,964.82 : 263,538.93 = 130,661.94 : x
  2. Step 2: Convert to fraction form
    190,964.82/263,538.93 = 130,661.94/x
  3. Step 3: Cross multiply
    190,964.82x = 263,538.93 × 130,661.94
  4. Step 4: Simplify right side
    190,964.82x = 34,434,507,859.32
  5. Step 5: Solve for x
    x = 34,434,507,859.32/190,964.82
  6. Step 6: Final answer
    x = 180,318.59

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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.