Home / 120,537.54-166,330.58-66,817.98

Finding the Fourth Proportional to 120,537.54, 166,330.58 and 66,817.98

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Solution

The fourth proportional to 120,537.54, 166,330.58 and 66,817.98 is: 92,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,537.54 : 166,330.58 = 66,817.98 : x
  2. Step 2: Convert to fraction form
    120,537.54/166,330.58 = 66,817.98/x
  3. Step 3: Cross multiply
    120,537.54x = 166,330.58 × 66,817.98
  4. Step 4: Simplify right side
    120,537.54x = 11,113,873,367.83
  5. Step 5: Solve for x
    x = 11,113,873,367.83/120,537.54
  6. Step 6: Final answer
    x = 92,202.59

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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.