Home / 118,849.27-177,872.03-115,650.78

Finding the Fourth Proportional to 118,849.27, 177,872.03 and 115,650.78

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Solution

The fourth proportional to 118,849.27, 177,872.03 and 115,650.78 is: 173,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,849.27 : 177,872.03 = 115,650.78 : x
  2. Step 2: Convert to fraction form
    118,849.27/177,872.03 = 115,650.78/x
  3. Step 3: Cross multiply
    118,849.27x = 177,872.03 × 115,650.78
  4. Step 4: Simplify right side
    118,849.27x = 20,571,039,009.68
  5. Step 5: Solve for x
    x = 20,571,039,009.68/118,849.27
  6. Step 6: Final answer
    x = 173,085.12

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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.