Home / 120,601.85-166,440.77-66,904.16

Finding the Fourth Proportional to 120,601.85, 166,440.77 and 66,904.16

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Solution

The fourth proportional to 120,601.85, 166,440.77 and 66,904.16 is: 92,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,601.85 : 166,440.77 = 66,904.16 : x
  2. Step 2: Convert to fraction form
    120,601.85/166,440.77 = 66,904.16/x
  3. Step 3: Cross multiply
    120,601.85x = 166,440.77 × 66,904.16
  4. Step 4: Simplify right side
    120,601.85x = 11,135,579,906.60
  5. Step 5: Solve for x
    x = 11,135,579,906.60/120,601.85
  6. Step 6: Final answer
    x = 92,333.41

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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.