Home / 120,500.02-166,290.04-66,793.12

Finding the Fourth Proportional to 120,500.02, 166,290.04 and 66,793.12

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Solution

The fourth proportional to 120,500.02, 166,290.04 and 66,793.12 is: 92,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,500.02 : 166,290.04 = 66,793.12 : x
  2. Step 2: Convert to fraction form
    120,500.02/166,290.04 = 66,793.12/x
  3. Step 3: Cross multiply
    120,500.02x = 166,290.04 × 66,793.12
  4. Step 4: Simplify right side
    120,500.02x = 11,107,030,596.52
  5. Step 5: Solve for x
    x = 11,107,030,596.52/120,500.02
  6. Step 6: Final answer
    x = 92,174.51

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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.