Home / 188,353.38-259,995.88-124,711.68

Finding the Fourth Proportional to 188,353.38, 259,995.88 and 124,711.68

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Solution

The fourth proportional to 188,353.38, 259,995.88 and 124,711.68 is: 172,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,353.38 : 259,995.88 = 124,711.68 : x
  2. Step 2: Convert to fraction form
    188,353.38/259,995.88 = 124,711.68/x
  3. Step 3: Cross multiply
    188,353.38x = 259,995.88 × 124,711.68
  4. Step 4: Simplify right side
    188,353.38x = 32,424,522,987.88
  5. Step 5: Solve for x
    x = 32,424,522,987.88/188,353.38
  6. Step 6: Final answer
    x = 172,147.29

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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.