Home / 126,740.22-174,940.44-73,061.12

Finding the Fourth Proportional to 126,740.22, 174,940.44 and 73,061.12

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Solution

The fourth proportional to 126,740.22, 174,940.44 and 73,061.12 is: 100,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,740.22 : 174,940.44 = 73,061.12 : x
  2. Step 2: Convert to fraction form
    126,740.22/174,940.44 = 73,061.12/x
  3. Step 3: Cross multiply
    126,740.22x = 174,940.44 × 73,061.12
  4. Step 4: Simplify right side
    126,740.22x = 12,781,344,479.69
  5. Step 5: Solve for x
    x = 12,781,344,479.69/126,740.22
  6. Step 6: Final answer
    x = 100,846.79

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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.