Home / 166,090.59-248,982.39-66,226.50

Finding the Fourth Proportional to 166,090.59, 248,982.39 and 66,226.50

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Solution

The fourth proportional to 166,090.59, 248,982.39 and 66,226.50 is: 99,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,090.59 : 248,982.39 = 66,226.50 : x
  2. Step 2: Convert to fraction form
    166,090.59/248,982.39 = 66,226.50/x
  3. Step 3: Cross multiply
    166,090.59x = 248,982.39 × 66,226.50
  4. Step 4: Simplify right side
    166,090.59x = 16,489,232,251.34
  5. Step 5: Solve for x
    x = 16,489,232,251.34/166,090.59
  6. Step 6: Final answer
    x = 99,278.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.