Home / 166,448.25-229,699.40-90,996.75

Finding the Fourth Proportional to 166,448.25, 229,699.40 and 90,996.75

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Solution

The fourth proportional to 166,448.25, 229,699.40 and 90,996.75 is: 125,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,448.25 : 229,699.40 = 90,996.75 : x
  2. Step 2: Convert to fraction form
    166,448.25/229,699.40 = 90,996.75/x
  3. Step 3: Cross multiply
    166,448.25x = 229,699.40 × 90,996.75
  4. Step 4: Simplify right side
    166,448.25x = 20,901,898,421.97
  5. Step 5: Solve for x
    x = 20,901,898,421.97/166,448.25
  6. Step 6: Final answer
    x = 125,575.96

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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.