Home / 198,448.65-273,851.28-117,874.05

Finding the Fourth Proportional to 198,448.65, 273,851.28 and 117,874.05

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Solution

The fourth proportional to 198,448.65, 273,851.28 and 117,874.05 is: 162,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,448.65 : 273,851.28 = 117,874.05 : x
  2. Step 2: Convert to fraction form
    198,448.65/273,851.28 = 117,874.05/x
  3. Step 3: Cross multiply
    198,448.65x = 273,851.28 × 117,874.05
  4. Step 4: Simplify right side
    198,448.65x = 32,279,959,471.28
  5. Step 5: Solve for x
    x = 32,279,959,471.28/198,448.65
  6. Step 6: Final answer
    x = 162,661.52

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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.