Home / 140,676.12-194,080.05-92,304.75

Finding the Fourth Proportional to 140,676.12, 194,080.05 and 92,304.75

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Solution

The fourth proportional to 140,676.12, 194,080.05 and 92,304.75 is: 127,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,676.12 : 194,080.05 = 92,304.75 : x
  2. Step 2: Convert to fraction form
    140,676.12/194,080.05 = 92,304.75/x
  3. Step 3: Cross multiply
    140,676.12x = 194,080.05 × 92,304.75
  4. Step 4: Simplify right side
    140,676.12x = 17,914,510,495.24
  5. Step 5: Solve for x
    x = 17,914,510,495.24/140,676.12
  6. Step 6: Final answer
    x = 127,345.78

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1.5x scale

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.