Home / 120,536.00-166,324.39-66,820.55

Finding the Fourth Proportional to 120,536.00, 166,324.39 and 66,820.55

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Solution

The fourth proportional to 120,536.00, 166,324.39 and 66,820.55 is: 92,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,536.00 : 166,324.39 = 66,820.55 : x
  2. Step 2: Convert to fraction form
    120,536.00/166,324.39 = 66,820.55/x
  3. Step 3: Cross multiply
    120,536.00x = 166,324.39 × 66,820.55
  4. Step 4: Simplify right side
    120,536.00x = 11,113,886,219.54
  5. Step 5: Solve for x
    x = 11,113,886,219.54/120,536.00
  6. Step 6: Final answer
    x = 92,203.88

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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.