Home / 330,096.19-455,462.67-194,080.50

Finding the Fourth Proportional to 330,096.19, 455,462.67 and 194,080.50

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Solution

The fourth proportional to 330,096.19, 455,462.67 and 194,080.50 is: 267,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,096.19 : 455,462.67 = 194,080.50 : x
  2. Step 2: Convert to fraction form
    330,096.19/455,462.67 = 194,080.50/x
  3. Step 3: Cross multiply
    330,096.19x = 455,462.67 × 194,080.50
  4. Step 4: Simplify right side
    330,096.19x = 88,396,422,724.94
  5. Step 5: Solve for x
    x = 88,396,422,724.94/330,096.19
  6. Step 6: Final answer
    x = 267,789.89

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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.