Home / 111,473.11-167,209.21-40,379.12

Finding the Fourth Proportional to 111,473.11, 167,209.21 and 40,379.12

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Solution

The fourth proportional to 111,473.11, 167,209.21 and 40,379.12 is: 60,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,473.11 : 167,209.21 = 40,379.12 : x
  2. Step 2: Convert to fraction form
    111,473.11/167,209.21 = 40,379.12/x
  3. Step 3: Cross multiply
    111,473.11x = 167,209.21 × 40,379.12
  4. Step 4: Simplify right side
    111,473.11x = 6,751,759,717.75
  5. Step 5: Solve for x
    x = 6,751,759,717.75/111,473.11
  6. Step 6: Final answer
    x = 60,568.51

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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.