Home / 120,723.54-166,606.27-69,738.42

Finding the Fourth Proportional to 120,723.54, 166,606.27 and 69,738.42

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Solution

The fourth proportional to 120,723.54, 166,606.27 and 69,738.42 is: 96,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,723.54 : 166,606.27 = 69,738.42 : x
  2. Step 2: Convert to fraction form
    120,723.54/166,606.27 = 69,738.42/x
  3. Step 3: Cross multiply
    120,723.54x = 166,606.27 × 69,738.42
  4. Step 4: Simplify right side
    120,723.54x = 11,618,857,545.16
  5. Step 5: Solve for x
    x = 11,618,857,545.16/120,723.54
  6. Step 6: Final answer
    x = 96,243.51

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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.