Home / 110,899.20-166,022.40-69,219.84

Finding the Fourth Proportional to 110,899.20, 166,022.40 and 69,219.84

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Solution

The fourth proportional to 110,899.20, 166,022.40 and 69,219.84 is: 103,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,899.20 : 166,022.40 = 69,219.84 : x
  2. Step 2: Convert to fraction form
    110,899.20/166,022.40 = 69,219.84/x
  3. Step 3: Cross multiply
    110,899.20x = 166,022.40 × 69,219.84
  4. Step 4: Simplify right side
    110,899.20x = 11,492,043,964.42
  5. Step 5: Solve for x
    x = 11,492,043,964.42/110,899.20
  6. Step 6: Final answer
    x = 103,626.03

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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.