Home / 140,676.13-194,080.05-92,304.76

Finding the Fourth Proportional to 140,676.13, 194,080.05 and 92,304.76

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Solution

The fourth proportional to 140,676.13, 194,080.05 and 92,304.76 is: 127,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,676.13 : 194,080.05 = 92,304.76 : x
  2. Step 2: Convert to fraction form
    140,676.13/194,080.05 = 92,304.76/x
  3. Step 3: Cross multiply
    140,676.13x = 194,080.05 × 92,304.76
  4. Step 4: Simplify right side
    140,676.13x = 17,914,511,465.64
  5. Step 5: Solve for x
    x = 17,914,511,465.64/140,676.13
  6. Step 6: Final answer
    x = 127,345.78

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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.