Home / 120,974.30-166,942.37-67,258.16

Finding the Fourth Proportional to 120,974.30, 166,942.37 and 67,258.16

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Solution

The fourth proportional to 120,974.30, 166,942.37 and 67,258.16 is: 92,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,974.30 : 166,942.37 = 67,258.16 : x
  2. Step 2: Convert to fraction form
    120,974.30/166,942.37 = 67,258.16/x
  3. Step 3: Cross multiply
    120,974.30x = 166,942.37 × 67,258.16
  4. Step 4: Simplify right side
    120,974.30x = 11,228,235,461.24
  5. Step 5: Solve for x
    x = 11,228,235,461.24/120,974.30
  6. Step 6: Final answer
    x = 92,815.05

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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.