Home / 120,945.05-166,913.21-67,243.26

Finding the Fourth Proportional to 120,945.05, 166,913.21 and 67,243.26

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Solution

The fourth proportional to 120,945.05, 166,913.21 and 67,243.26 is: 92,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,945.05 : 166,913.21 = 67,243.26 : x
  2. Step 2: Convert to fraction form
    120,945.05/166,913.21 = 67,243.26/x
  3. Step 3: Cross multiply
    120,945.05x = 166,913.21 × 67,243.26
  4. Step 4: Simplify right side
    120,945.05x = 11,223,788,793.25
  5. Step 5: Solve for x
    x = 11,223,788,793.25/120,945.05
  6. Step 6: Final answer
    x = 92,800.73

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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.