Home / 129,898.18-194,859.69-36,403.66

Finding the Fourth Proportional to 129,898.18, 194,859.69 and 36,403.66

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Solution

The fourth proportional to 129,898.18, 194,859.69 and 36,403.66 is: 54,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,898.18 : 194,859.69 = 36,403.66 : x
  2. Step 2: Convert to fraction form
    129,898.18/194,859.69 = 36,403.66/x
  3. Step 3: Cross multiply
    129,898.18x = 194,859.69 × 36,403.66
  4. Step 4: Simplify right side
    129,898.18x = 7,093,605,902.47
  5. Step 5: Solve for x
    x = 7,093,605,902.47/129,898.18
  6. Step 6: Final answer
    x = 54,608.97

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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.