Home / 136,974.22-188,672.88-96,617.05

Finding the Fourth Proportional to 136,974.22, 188,672.88 and 96,617.05

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Solution

The fourth proportional to 136,974.22, 188,672.88 and 96,617.05 is: 133,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,974.22 : 188,672.88 = 96,617.05 : x
  2. Step 2: Convert to fraction form
    136,974.22/188,672.88 = 96,617.05/x
  3. Step 3: Cross multiply
    136,974.22x = 188,672.88 × 96,617.05
  4. Step 4: Simplify right side
    136,974.22x = 18,229,017,080.60
  5. Step 5: Solve for x
    x = 18,229,017,080.60/136,974.22
  6. Step 6: Final answer
    x = 133,083.56

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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.