Home / 291,236.63-436,917.27-164,936.57

Finding the Fourth Proportional to 291,236.63, 436,917.27 and 164,936.57

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Solution

The fourth proportional to 291,236.63, 436,917.27 and 164,936.57 is: 247,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,236.63 : 436,917.27 = 164,936.57 : x
  2. Step 2: Convert to fraction form
    291,236.63/436,917.27 = 164,936.57/x
  3. Step 3: Cross multiply
    291,236.63x = 436,917.27 × 164,936.57
  4. Step 4: Simplify right side
    291,236.63x = 72,063,635,887.56
  5. Step 5: Solve for x
    x = 72,063,635,887.56/291,236.63
  6. Step 6: Final answer
    x = 247,440.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.