Home / 198,310.84-273,544.32-117,681.28

Finding the Fourth Proportional to 198,310.84, 273,544.32 and 117,681.28

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Solution

The fourth proportional to 198,310.84, 273,544.32 and 117,681.28 is: 162,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,310.84 : 273,544.32 = 117,681.28 : x
  2. Step 2: Convert to fraction form
    198,310.84/273,544.32 = 117,681.28/x
  3. Step 3: Cross multiply
    198,310.84x = 273,544.32 × 117,681.28
  4. Step 4: Simplify right side
    198,310.84x = 32,191,045,714.33
  5. Step 5: Solve for x
    x = 32,191,045,714.33/198,310.84
  6. Step 6: Final answer
    x = 162,326.20

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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.