Home / 111,736.23-167,723.70-45,219.84

Finding the Fourth Proportional to 111,736.23, 167,723.70 and 45,219.84

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Solution

The fourth proportional to 111,736.23, 167,723.70 and 45,219.84 is: 67,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,736.23 : 167,723.70 = 45,219.84 : x
  2. Step 2: Convert to fraction form
    111,736.23/167,723.70 = 45,219.84/x
  3. Step 3: Cross multiply
    111,736.23x = 167,723.70 × 45,219.84
  4. Step 4: Simplify right side
    111,736.23x = 7,584,438,878.21
  5. Step 5: Solve for x
    x = 7,584,438,878.21/111,736.23
  6. Step 6: Final answer
    x = 67,878.06

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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.