Home / 188,840.70-283,589.10-100,267.20

Finding the Fourth Proportional to 188,840.70, 283,589.10 and 100,267.20

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Solution

The fourth proportional to 188,840.70, 283,589.10 and 100,267.20 is: 150,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,840.70 : 283,589.10 = 100,267.20 : x
  2. Step 2: Convert to fraction form
    188,840.70/283,589.10 = 100,267.20/x
  3. Step 3: Cross multiply
    188,840.70x = 283,589.10 × 100,267.20
  4. Step 4: Simplify right side
    188,840.70x = 28,434,685,007.52
  5. Step 5: Solve for x
    x = 28,434,685,007.52/188,840.70
  6. Step 6: Final answer
    x = 150,574.98

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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.