Home / 190,900.66-263,725.86-125,643.37

Finding the Fourth Proportional to 190,900.66, 263,725.86 and 125,643.37

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Solution

The fourth proportional to 190,900.66, 263,725.86 and 125,643.37 is: 173,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,900.66 : 263,725.86 = 125,643.37 : x
  2. Step 2: Convert to fraction form
    190,900.66/263,725.86 = 125,643.37/x
  3. Step 3: Cross multiply
    190,900.66x = 263,725.86 × 125,643.37
  4. Step 4: Simplify right side
    190,900.66x = 33,135,405,806.55
  5. Step 5: Solve for x
    x = 33,135,405,806.55/190,900.66
  6. Step 6: Final answer
    x = 173,574.08

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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.