Home / 166,517.67-249,710.75-66,659.25

Finding the Fourth Proportional to 166,517.67, 249,710.75 and 66,659.25

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Solution

The fourth proportional to 166,517.67, 249,710.75 and 66,659.25 is: 99,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,517.67 : 249,710.75 = 66,659.25 : x
  2. Step 2: Convert to fraction form
    166,517.67/249,710.75 = 66,659.25/x
  3. Step 3: Cross multiply
    166,517.67x = 249,710.75 × 66,659.25
  4. Step 4: Simplify right side
    166,517.67x = 16,645,530,063.38
  5. Step 5: Solve for x
    x = 16,645,530,063.38/166,517.67
  6. Step 6: Final answer
    x = 99,962.55

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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.