Home / 126,183.36-174,153.06-75,882.36

Finding the Fourth Proportional to 126,183.36, 174,153.06 and 75,882.36

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Solution

The fourth proportional to 126,183.36, 174,153.06 and 75,882.36 is: 104,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,183.36 : 174,153.06 = 75,882.36 : x
  2. Step 2: Convert to fraction form
    126,183.36/174,153.06 = 75,882.36/x
  3. Step 3: Cross multiply
    126,183.36x = 174,153.06 × 75,882.36
  4. Step 4: Simplify right side
    126,183.36x = 13,215,145,194.02
  5. Step 5: Solve for x
    x = 13,215,145,194.02/126,183.36
  6. Step 6: Final answer
    x = 104,729.70

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1.5x scale

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.