Home / 120,708.68-166,570.22-66,993.74

Finding the Fourth Proportional to 120,708.68, 166,570.22 and 66,993.74

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Solution

The fourth proportional to 120,708.68, 166,570.22 and 66,993.74 is: 92,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,708.68 : 166,570.22 = 66,993.74 : x
  2. Step 2: Convert to fraction form
    120,708.68/166,570.22 = 66,993.74/x
  3. Step 3: Cross multiply
    120,708.68x = 166,570.22 × 66,993.74
  4. Step 4: Simplify right side
    120,708.68x = 11,159,160,842.60
  5. Step 5: Solve for x
    x = 11,159,160,842.60/120,708.68
  6. Step 6: Final answer
    x = 92,447.05

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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.