Home / 198,242.44-273,578.64-112,201.42

Finding the Fourth Proportional to 198,242.44, 273,578.64 and 112,201.42

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Solution

The fourth proportional to 198,242.44, 273,578.64 and 112,201.42 is: 154,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,242.44 : 273,578.64 = 112,201.42 : x
  2. Step 2: Convert to fraction form
    198,242.44/273,578.64 = 112,201.42/x
  3. Step 3: Cross multiply
    198,242.44x = 273,578.64 × 112,201.42
  4. Step 4: Simplify right side
    198,242.44x = 30,695,911,889.67
  5. Step 5: Solve for x
    x = 30,695,911,889.67/198,242.44
  6. Step 6: Final answer
    x = 154,840.26

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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.