Home / 126,738.20-174,937.68-73,059.12

Finding the Fourth Proportional to 126,738.20, 174,937.68 and 73,059.12

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Solution

The fourth proportional to 126,738.20, 174,937.68 and 73,059.12 is: 100,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,738.20 : 174,937.68 = 73,059.12 : x
  2. Step 2: Convert to fraction form
    126,738.20/174,937.68 = 73,059.12/x
  3. Step 3: Cross multiply
    126,738.20x = 174,937.68 × 73,059.12
  4. Step 4: Simplify right side
    126,738.20x = 12,780,792,955.64
  5. Step 5: Solve for x
    x = 12,780,792,955.64/126,738.20
  6. Step 6: Final answer
    x = 100,844.05

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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.