Home / 190,732.24-263,128.26-115,237

Finding the Fourth Proportional to 190,732.24, 263,128.26 and 115,237

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Solution

The fourth proportional to 190,732.24, 263,128.26 and 115,237 is: 158,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,732.24 : 263,128.26 = 115,237 : x
  2. Step 2: Convert to fraction form
    190,732.24/263,128.26 = 115,237/x
  3. Step 3: Cross multiply
    190,732.24x = 263,128.26 × 115,237
  4. Step 4: Simplify right side
    190,732.24x = 30,322,111,297.62
  5. Step 5: Solve for x
    x = 30,322,111,297.62/190,732.24
  6. Step 6: Final answer
    x = 158,977.38

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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.