Home / 129,682.86-194,570.04-45,466.48

Finding the Fourth Proportional to 129,682.86, 194,570.04 and 45,466.48

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Solution

The fourth proportional to 129,682.86, 194,570.04 and 45,466.48 is: 68,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,682.86 : 194,570.04 = 45,466.48 : x
  2. Step 2: Convert to fraction form
    129,682.86/194,570.04 = 45,466.48/x
  3. Step 3: Cross multiply
    129,682.86x = 194,570.04 × 45,466.48
  4. Step 4: Simplify right side
    129,682.86x = 8,846,414,832.26
  5. Step 5: Solve for x
    x = 8,846,414,832.26/129,682.86
  6. Step 6: Final answer
    x = 68,215.76

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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.