Home / 111,327.21-166,990.41-27,086.40

Finding the Fourth Proportional to 111,327.21, 166,990.41 and 27,086.40

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Solution

The fourth proportional to 111,327.21, 166,990.41 and 27,086.40 is: 40,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,327.21 : 166,990.41 = 27,086.40 : x
  2. Step 2: Convert to fraction form
    111,327.21/166,990.41 = 27,086.40/x
  3. Step 3: Cross multiply
    111,327.21x = 166,990.41 × 27,086.40
  4. Step 4: Simplify right side
    111,327.21x = 4,523,169,041.42
  5. Step 5: Solve for x
    x = 4,523,169,041.42/111,327.21
  6. Step 6: Final answer
    x = 40,629.50

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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.