Home / 120,818.03-166,724.27-67,106.49

Finding the Fourth Proportional to 120,818.03, 166,724.27 and 67,106.49

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Solution

The fourth proportional to 120,818.03, 166,724.27 and 67,106.49 is: 92,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,818.03 : 166,724.27 = 67,106.49 : x
  2. Step 2: Convert to fraction form
    120,818.03/166,724.27 = 67,106.49/x
  3. Step 3: Cross multiply
    120,818.03x = 166,724.27 × 67,106.49
  4. Step 4: Simplify right side
    120,818.03x = 11,188,280,221.98
  5. Step 5: Solve for x
    x = 11,188,280,221.98/120,818.03
  6. Step 6: Final answer
    x = 92,604.40

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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.