Home / 127,747.25-175,014.56-122,958.74

Finding the Fourth Proportional to 127,747.25, 175,014.56 and 122,958.74

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Solution

The fourth proportional to 127,747.25, 175,014.56 and 122,958.74 is: 168,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,747.25 : 175,014.56 = 122,958.74 : x
  2. Step 2: Convert to fraction form
    127,747.25/175,014.56 = 122,958.74/x
  3. Step 3: Cross multiply
    127,747.25x = 175,014.56 × 122,958.74
  4. Step 4: Simplify right side
    127,747.25x = 21,519,568,289.39
  5. Step 5: Solve for x
    x = 21,519,568,289.39/127,747.25
  6. Step 6: Final answer
    x = 168,454.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.