Home / 166,467.30-229,725.82-91,015.80

Finding the Fourth Proportional to 166,467.30, 229,725.82 and 91,015.80

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Solution

The fourth proportional to 166,467.30, 229,725.82 and 91,015.80 is: 125,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,467.30 : 229,725.82 = 91,015.80 : x
  2. Step 2: Convert to fraction form
    166,467.30/229,725.82 = 91,015.80/x
  3. Step 3: Cross multiply
    166,467.30x = 229,725.82 × 91,015.80
  4. Step 4: Simplify right side
    166,467.30x = 20,908,679,287.96
  5. Step 5: Solve for x
    x = 20,908,679,287.96/166,467.30
  6. Step 6: Final answer
    x = 125,602.32

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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.