Home / 132,079.86-198,126.27-53,183.43

Finding the Fourth Proportional to 132,079.86, 198,126.27 and 53,183.43

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Solution

The fourth proportional to 132,079.86, 198,126.27 and 53,183.43 is: 79,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,079.86 : 198,126.27 = 53,183.43 : x
  2. Step 2: Convert to fraction form
    132,079.86/198,126.27 = 53,183.43/x
  3. Step 3: Cross multiply
    132,079.86x = 198,126.27 × 53,183.43
  4. Step 4: Simplify right side
    132,079.86x = 10,537,034,611.71
  5. Step 5: Solve for x
    x = 10,537,034,611.71/132,079.86
  6. Step 6: Final answer
    x = 79,777.75

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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.