Home / 188,216.28-259,624.44-111,685.05

Finding the Fourth Proportional to 188,216.28, 259,624.44 and 111,685.05

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Solution

The fourth proportional to 188,216.28, 259,624.44 and 111,685.05 is: 154,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,216.28 : 259,624.44 = 111,685.05 : x
  2. Step 2: Convert to fraction form
    188,216.28/259,624.44 = 111,685.05/x
  3. Step 3: Cross multiply
    188,216.28x = 259,624.44 × 111,685.05
  4. Step 4: Simplify right side
    188,216.28x = 28,996,168,562.62
  5. Step 5: Solve for x
    x = 28,996,168,562.62/188,216.28
  6. Step 6: Final answer
    x = 154,057.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.