Home / 120,673.45-166,530.09-66,959.52

Finding the Fourth Proportional to 120,673.45, 166,530.09 and 66,959.52

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Solution

The fourth proportional to 120,673.45, 166,530.09 and 66,959.52 is: 92,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,673.45 : 166,530.09 = 66,959.52 : x
  2. Step 2: Convert to fraction form
    120,673.45/166,530.09 = 66,959.52/x
  3. Step 3: Cross multiply
    120,673.45x = 166,530.09 × 66,959.52
  4. Step 4: Simplify right side
    120,673.45x = 11,150,774,891.96
  5. Step 5: Solve for x
    x = 11,150,774,891.96/120,673.45
  6. Step 6: Final answer
    x = 92,404.54

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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.