Home / 129,864.45-194,814.90-41,108.70

Finding the Fourth Proportional to 129,864.45, 194,814.90 and 41,108.70

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Solution

The fourth proportional to 129,864.45, 194,814.90 and 41,108.70 is: 61,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,864.45 : 194,814.90 = 41,108.70 : x
  2. Step 2: Convert to fraction form
    129,864.45/194,814.90 = 41,108.70/x
  3. Step 3: Cross multiply
    129,864.45x = 194,814.90 × 41,108.70
  4. Step 4: Simplify right side
    129,864.45x = 8,008,587,279.63
  5. Step 5: Solve for x
    x = 8,008,587,279.63/129,864.45
  6. Step 6: Final answer
    x = 61,668.82

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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.