Home / 126,271.40-174,311.88-80,966.48

Finding the Fourth Proportional to 126,271.40, 174,311.88 and 80,966.48

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Solution

The fourth proportional to 126,271.40, 174,311.88 and 80,966.48 is: 111,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,271.40 : 174,311.88 = 80,966.48 : x
  2. Step 2: Convert to fraction form
    126,271.40/174,311.88 = 80,966.48/x
  3. Step 3: Cross multiply
    126,271.40x = 174,311.88 × 80,966.48
  4. Step 4: Simplify right side
    126,271.40x = 14,113,419,345.78
  5. Step 5: Solve for x
    x = 14,113,419,345.78/126,271.40
  6. Step 6: Final answer
    x = 111,770.51

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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.