Home / 127,439.12-190,083.26-110,667.26

Finding the Fourth Proportional to 127,439.12, 190,083.26 and 110,667.26

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Solution

The fourth proportional to 127,439.12, 190,083.26 and 110,667.26 is: 165,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,439.12 : 190,083.26 = 110,667.26 : x
  2. Step 2: Convert to fraction form
    127,439.12/190,083.26 = 110,667.26/x
  3. Step 3: Cross multiply
    127,439.12x = 190,083.26 × 110,667.26
  4. Step 4: Simplify right side
    127,439.12x = 21,035,993,556.07
  5. Step 5: Solve for x
    x = 21,035,993,556.07/127,439.12
  6. Step 6: Final answer
    x = 165,067.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.