Home / 166,911.36-230,338.80-91,462.56

Finding the Fourth Proportional to 166,911.36, 230,338.80 and 91,462.56

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Solution

The fourth proportional to 166,911.36, 230,338.80 and 91,462.56 is: 126,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,911.36 : 230,338.80 = 91,462.56 : x
  2. Step 2: Convert to fraction form
    166,911.36/230,338.80 = 91,462.56/x
  3. Step 3: Cross multiply
    166,911.36x = 230,338.80 × 91,462.56
  4. Step 4: Simplify right side
    166,911.36x = 21,067,376,315.33
  5. Step 5: Solve for x
    x = 21,067,376,315.33/166,911.36
  6. Step 6: Final answer
    x = 126,218.95

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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.