Home / 166,429.14-229,671.90-90,977.64

Finding the Fourth Proportional to 166,429.14, 229,671.90 and 90,977.64

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Solution

The fourth proportional to 166,429.14, 229,671.90 and 90,977.64 is: 125,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,429.14 : 229,671.90 = 90,977.64 : x
  2. Step 2: Convert to fraction form
    166,429.14/229,671.90 = 90,977.64/x
  3. Step 3: Cross multiply
    166,429.14x = 229,671.90 × 90,977.64
  4. Step 4: Simplify right side
    166,429.14x = 20,895,007,436.32
  5. Step 5: Solve for x
    x = 20,895,007,436.32/166,429.14
  6. Step 6: Final answer
    x = 125,548.97

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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.