Home / 121,723.20-182,584.80-92,198.70

Finding the Fourth Proportional to 121,723.20, 182,584.80 and 92,198.70

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Solution

The fourth proportional to 121,723.20, 182,584.80 and 92,198.70 is: 138,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,723.20 : 182,584.80 = 92,198.70 : x
  2. Step 2: Convert to fraction form
    121,723.20/182,584.80 = 92,198.70/x
  3. Step 3: Cross multiply
    121,723.20x = 182,584.80 × 92,198.70
  4. Step 4: Simplify right side
    121,723.20x = 16,834,081,199.76
  5. Step 5: Solve for x
    x = 16,834,081,199.76/121,723.20
  6. Step 6: Final answer
    x = 138,298.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.