Home / 126,104.85-189,230.58-47,274.03

Finding the Fourth Proportional to 126,104.85, 189,230.58 and 47,274.03

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Solution

The fourth proportional to 126,104.85, 189,230.58 and 47,274.03 is: 70,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,104.85 : 189,230.58 = 47,274.03 : x
  2. Step 2: Convert to fraction form
    126,104.85/189,230.58 = 47,274.03/x
  3. Step 3: Cross multiply
    126,104.85x = 189,230.58 × 47,274.03
  4. Step 4: Simplify right side
    126,104.85x = 8,945,692,115.84
  5. Step 5: Solve for x
    x = 8,945,692,115.84/126,104.85
  6. Step 6: Final answer
    x = 70,938.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.