Home / 192,640.41-265,829.31-107,741.07

Finding the Fourth Proportional to 192,640.41, 265,829.31 and 107,741.07

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Solution

The fourth proportional to 192,640.41, 265,829.31 and 107,741.07 is: 148,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,640.41 : 265,829.31 = 107,741.07 : x
  2. Step 2: Convert to fraction form
    192,640.41/265,829.31 = 107,741.07/x
  3. Step 3: Cross multiply
    192,640.41x = 265,829.31 × 107,741.07
  4. Step 4: Simplify right side
    192,640.41x = 28,640,734,296.76
  5. Step 5: Solve for x
    x = 28,640,734,296.76/192,640.41
  6. Step 6: Final answer
    x = 148,674.59

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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.