Home / 188,197.52-259,711.46-102,158.22

Finding the Fourth Proportional to 188,197.52, 259,711.46 and 102,158.22

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Solution

The fourth proportional to 188,197.52, 259,711.46 and 102,158.22 is: 140,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,197.52 : 259,711.46 = 102,158.22 : x
  2. Step 2: Convert to fraction form
    188,197.52/259,711.46 = 102,158.22/x
  3. Step 3: Cross multiply
    188,197.52x = 259,711.46 × 102,158.22
  4. Step 4: Simplify right side
    188,197.52x = 26,531,660,467.20
  5. Step 5: Solve for x
    x = 26,531,660,467.20/188,197.52
  6. Step 6: Final answer
    x = 140,977.74

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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.