Home / 126,733.84-174,936.42-73,040.30

Finding the Fourth Proportional to 126,733.84, 174,936.42 and 73,040.30

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Solution

The fourth proportional to 126,733.84, 174,936.42 and 73,040.30 is: 100,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,733.84 : 174,936.42 = 73,040.30 : x
  2. Step 2: Convert to fraction form
    126,733.84/174,936.42 = 73,040.30/x
  3. Step 3: Cross multiply
    126,733.84x = 174,936.42 × 73,040.30
  4. Step 4: Simplify right side
    126,733.84x = 12,777,408,597.73
  5. Step 5: Solve for x
    x = 12,777,408,597.73/126,733.84
  6. Step 6: Final answer
    x = 100,820.81

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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.