Home / 129,788.86-194,682.06-41,042.38

Finding the Fourth Proportional to 129,788.86, 194,682.06 and 41,042.38

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Solution

The fourth proportional to 129,788.86, 194,682.06 and 41,042.38 is: 61,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,788.86 : 194,682.06 = 41,042.38 : x
  2. Step 2: Convert to fraction form
    129,788.86/194,682.06 = 41,042.38/x
  3. Step 3: Cross multiply
    129,788.86x = 194,682.06 × 41,042.38
  4. Step 4: Simplify right side
    129,788.86x = 7,990,215,085.70
  5. Step 5: Solve for x
    x = 7,990,215,085.70/129,788.86
  6. Step 6: Final answer
    x = 61,563.18

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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.