Home / 198,217.69-273,536.52-112,175.07

Finding the Fourth Proportional to 198,217.69, 273,536.52 and 112,175.07

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Solution

The fourth proportional to 198,217.69, 273,536.52 and 112,175.07 is: 154,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,217.69 : 273,536.52 = 112,175.07 : x
  2. Step 2: Convert to fraction form
    198,217.69/273,536.52 = 112,175.07/x
  3. Step 3: Cross multiply
    198,217.69x = 273,536.52 × 112,175.07
  4. Step 4: Simplify right side
    198,217.69x = 30,683,978,278.56
  5. Step 5: Solve for x
    x = 30,683,978,278.56/198,217.69
  6. Step 6: Final answer
    x = 154,799.39

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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.