Home / 129,573.20-194,035.10-82,044.93

Finding the Fourth Proportional to 129,573.20, 194,035.10 and 82,044.93

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Solution

The fourth proportional to 129,573.20, 194,035.10 and 82,044.93 is: 122,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,573.20 : 194,035.10 = 82,044.93 : x
  2. Step 2: Convert to fraction form
    129,573.20/194,035.10 = 82,044.93/x
  3. Step 3: Cross multiply
    129,573.20x = 194,035.10 × 82,044.93
  4. Step 4: Simplify right side
    129,573.20x = 15,919,596,514.45
  5. Step 5: Solve for x
    x = 15,919,596,514.45/129,573.20
  6. Step 6: Final answer
    x = 122,861.80

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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.