Home / 129,198.45-193,825.62-39,233.77

Finding the Fourth Proportional to 129,198.45, 193,825.62 and 39,233.77

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Solution

The fourth proportional to 129,198.45, 193,825.62 and 39,233.77 is: 58,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,198.45 : 193,825.62 = 39,233.77 : x
  2. Step 2: Convert to fraction form
    129,198.45/193,825.62 = 39,233.77/x
  3. Step 3: Cross multiply
    129,198.45x = 193,825.62 × 39,233.77
  4. Step 4: Simplify right side
    129,198.45x = 7,604,509,795.19
  5. Step 5: Solve for x
    x = 7,604,509,795.19/129,198.45
  6. Step 6: Final answer
    x = 58,859.14

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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.