Home / 120,926.27-166,924.76-80,625.30

Finding the Fourth Proportional to 120,926.27, 166,924.76 and 80,625.30

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Solution

The fourth proportional to 120,926.27, 166,924.76 and 80,625.30 is: 111,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,926.27 : 166,924.76 = 80,625.30 : x
  2. Step 2: Convert to fraction form
    120,926.27/166,924.76 = 80,625.30/x
  3. Step 3: Cross multiply
    120,926.27x = 166,924.76 × 80,625.30
  4. Step 4: Simplify right side
    120,926.27x = 13,458,358,449.30
  5. Step 5: Solve for x
    x = 13,458,358,449.30/120,926.27
  6. Step 6: Final answer
    x = 111,293.92

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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.