Home / 129,359.35-194,039.07-58,198.88

Finding the Fourth Proportional to 129,359.35, 194,039.07 and 58,198.88

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Solution

The fourth proportional to 129,359.35, 194,039.07 and 58,198.88 is: 87,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,359.35 : 194,039.07 = 58,198.88 : x
  2. Step 2: Convert to fraction form
    129,359.35/194,039.07 = 58,198.88/x
  3. Step 3: Cross multiply
    129,359.35x = 194,039.07 × 58,198.88
  4. Step 4: Simplify right side
    129,359.35x = 11,292,856,550.24
  5. Step 5: Solve for x
    x = 11,292,856,550.24/129,359.35
  6. Step 6: Final answer
    x = 87,298.34

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1.5x scale

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.