Home / 127,112.40-190,717.20-125,119.80

Finding the Fourth Proportional to 127,112.40, 190,717.20 and 125,119.80

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Solution

The fourth proportional to 127,112.40, 190,717.20 and 125,119.80 is: 187,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,112.40 : 190,717.20 = 125,119.80 : x
  2. Step 2: Convert to fraction form
    127,112.40/190,717.20 = 125,119.80/x
  3. Step 3: Cross multiply
    127,112.40x = 190,717.20 × 125,119.80
  4. Step 4: Simplify right side
    127,112.40x = 23,862,497,920.56
  5. Step 5: Solve for x
    x = 23,862,497,920.56/127,112.40
  6. Step 6: Final answer
    x = 187,727.54

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1.5x scale

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.