Home / 110,723.80-166,085.70-100,226.20

Finding the Fourth Proportional to 110,723.80, 166,085.70 and 100,226.20

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Solution

The fourth proportional to 110,723.80, 166,085.70 and 100,226.20 is: 150,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,723.80 : 166,085.70 = 100,226.20 : x
  2. Step 2: Convert to fraction form
    110,723.80/166,085.70 = 100,226.20/x
  3. Step 3: Cross multiply
    110,723.80x = 166,085.70 × 100,226.20
  4. Step 4: Simplify right side
    110,723.80x = 16,646,138,585.34
  5. Step 5: Solve for x
    x = 16,646,138,585.34/110,723.80
  6. Step 6: Final answer
    x = 150,339.30

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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.