Home / 198,438.65-273,837.48-117,864.04

Finding the Fourth Proportional to 198,438.65, 273,837.48 and 117,864.04

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Solution

The fourth proportional to 198,438.65, 273,837.48 and 117,864.04 is: 162,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,438.65 : 273,837.48 = 117,864.04 : x
  2. Step 2: Convert to fraction form
    198,438.65/273,837.48 = 117,864.04/x
  3. Step 3: Cross multiply
    198,438.65x = 273,837.48 × 117,864.04
  4. Step 4: Simplify right side
    198,438.65x = 32,275,591,696.22
  5. Step 5: Solve for x
    x = 32,275,591,696.22/198,438.65
  6. Step 6: Final answer
    x = 162,647.71

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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.