Home / 166,090.44-229,205.52-90,640.56

Finding the Fourth Proportional to 166,090.44, 229,205.52 and 90,640.56

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Solution

The fourth proportional to 166,090.44, 229,205.52 and 90,640.56 is: 125,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,090.44 : 229,205.52 = 90,640.56 : x
  2. Step 2: Convert to fraction form
    166,090.44/229,205.52 = 90,640.56/x
  3. Step 3: Cross multiply
    166,090.44x = 229,205.52 × 90,640.56
  4. Step 4: Simplify right side
    166,090.44x = 20,775,316,687.89
  5. Step 5: Solve for x
    x = 20,775,316,687.89/166,090.44
  6. Step 6: Final answer
    x = 125,084.36

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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.