Home / 123,385.96-170,273.15-66,797.34

Finding the Fourth Proportional to 123,385.96, 170,273.15 and 66,797.34

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Solution

The fourth proportional to 123,385.96, 170,273.15 and 66,797.34 is: 92,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385.96 : 170,273.15 = 66,797.34 : x
  2. Step 2: Convert to fraction form
    123,385.96/170,273.15 = 66,797.34/x
  3. Step 3: Cross multiply
    123,385.96x = 170,273.15 × 66,797.34
  4. Step 4: Simplify right side
    123,385.96x = 11,373,793,493.42
  5. Step 5: Solve for x
    x = 11,373,793,493.42/123,385.96
  6. Step 6: Final answer
    x = 92,180.61

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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.