Home / 166,520.88-229,804.28-91,069.38

Finding the Fourth Proportional to 166,520.88, 229,804.28 and 91,069.38

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Solution

The fourth proportional to 166,520.88, 229,804.28 and 91,069.38 is: 125,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,520.88 : 229,804.28 = 91,069.38 : x
  2. Step 2: Convert to fraction form
    166,520.88/229,804.28 = 91,069.38/x
  3. Step 3: Cross multiply
    166,520.88x = 229,804.28 × 91,069.38
  4. Step 4: Simplify right side
    166,520.88x = 20,928,131,696.58
  5. Step 5: Solve for x
    x = 20,928,131,696.58/166,520.88
  6. Step 6: Final answer
    x = 125,678.73

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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.