Home / 127,314.94-190,993.07-43,080.28

Finding the Fourth Proportional to 127,314.94, 190,993.07 and 43,080.28

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Solution

The fourth proportional to 127,314.94, 190,993.07 and 43,080.28 is: 64,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,314.94 : 190,993.07 = 43,080.28 : x
  2. Step 2: Convert to fraction form
    127,314.94/190,993.07 = 43,080.28/x
  3. Step 3: Cross multiply
    127,314.94x = 190,993.07 × 43,080.28
  4. Step 4: Simplify right side
    127,314.94x = 8,228,034,933.66
  5. Step 5: Solve for x
    x = 8,228,034,933.66/127,314.94
  6. Step 6: Final answer
    x = 64,627.41

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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.