Home / 190,733.24-263,129.64-115,238

Finding the Fourth Proportional to 190,733.24, 263,129.64 and 115,238

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Solution

The fourth proportional to 190,733.24, 263,129.64 and 115,238 is: 158,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,733.24 : 263,129.64 = 115,238 : x
  2. Step 2: Convert to fraction form
    190,733.24/263,129.64 = 115,238/x
  3. Step 3: Cross multiply
    190,733.24x = 263,129.64 × 115,238
  4. Step 4: Simplify right side
    190,733.24x = 30,322,533,454.32
  5. Step 5: Solve for x
    x = 30,322,533,454.32/190,733.24
  6. Step 6: Final answer
    x = 158,978.76

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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.