Home / 129,790.60-194,684.61-41,044.12

Finding the Fourth Proportional to 129,790.60, 194,684.61 and 41,044.12

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Solution

The fourth proportional to 129,790.60, 194,684.61 and 41,044.12 is: 61,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,790.60 : 194,684.61 = 41,044.12 : x
  2. Step 2: Convert to fraction form
    129,790.60/194,684.61 = 41,044.12/x
  3. Step 3: Cross multiply
    129,790.60x = 194,684.61 × 41,044.12
  4. Step 4: Simplify right side
    129,790.60x = 7,990,658,162.20
  5. Step 5: Solve for x
    x = 7,990,658,162.20/129,790.60
  6. Step 6: Final answer
    x = 61,565.77

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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.