Home / 190,965.32-263,539.62-130,662.44

Finding the Fourth Proportional to 190,965.32, 263,539.62 and 130,662.44

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Solution

The fourth proportional to 190,965.32, 263,539.62 and 130,662.44 is: 180,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,965.32 : 263,539.62 = 130,662.44 : x
  2. Step 2: Convert to fraction form
    190,965.32/263,539.62 = 130,662.44/x
  3. Step 3: Cross multiply
    190,965.32x = 263,539.62 × 130,662.44
  4. Step 4: Simplify right side
    190,965.32x = 34,434,729,785.87
  5. Step 5: Solve for x
    x = 34,434,729,785.87/190,965.32
  6. Step 6: Final answer
    x = 180,319.28

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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.