Home / 132,704.24-198,952.56-90,479.60

Finding the Fourth Proportional to 132,704.24, 198,952.56 and 90,479.60

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Solution

The fourth proportional to 132,704.24, 198,952.56 and 90,479.60 is: 135,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,704.24 : 198,952.56 = 90,479.60 : x
  2. Step 2: Convert to fraction form
    132,704.24/198,952.56 = 90,479.60/x
  3. Step 3: Cross multiply
    132,704.24x = 198,952.56 × 90,479.60
  4. Step 4: Simplify right side
    132,704.24x = 18,001,148,047.78
  5. Step 5: Solve for x
    x = 18,001,148,047.78/132,704.24
  6. Step 6: Final answer
    x = 135,648.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.