Home / 166,679.67-230,017.94-90,198.76

Finding the Fourth Proportional to 166,679.67, 230,017.94 and 90,198.76

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Solution

The fourth proportional to 166,679.67, 230,017.94 and 90,198.76 is: 124,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,679.67 : 230,017.94 = 90,198.76 : x
  2. Step 2: Convert to fraction form
    166,679.67/230,017.94 = 90,198.76/x
  3. Step 3: Cross multiply
    166,679.67x = 230,017.94 × 90,198.76
  4. Step 4: Simplify right side
    166,679.67x = 20,747,334,058.06
  5. Step 5: Solve for x
    x = 20,747,334,058.06/166,679.67
  6. Step 6: Final answer
    x = 124,474.29

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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.