Home / 120,973.66-166,942.73-67,258.19

Finding the Fourth Proportional to 120,973.66, 166,942.73 and 67,258.19

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Solution

The fourth proportional to 120,973.66, 166,942.73 and 67,258.19 is: 92,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,973.66 : 166,942.73 = 67,258.19 : x
  2. Step 2: Convert to fraction form
    120,973.66/166,942.73 = 67,258.19/x
  3. Step 3: Cross multiply
    120,973.66x = 166,942.73 × 67,258.19
  4. Step 4: Simplify right side
    120,973.66x = 11,228,266,438.96
  5. Step 5: Solve for x
    x = 11,228,266,438.96/120,973.66
  6. Step 6: Final answer
    x = 92,815.80

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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.