Home / 129,110.69-193,650.62-34,347.83

Finding the Fourth Proportional to 129,110.69, 193,650.62 and 34,347.83

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Solution

The fourth proportional to 129,110.69, 193,650.62 and 34,347.83 is: 51,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,110.69 : 193,650.62 = 34,347.83 : x
  2. Step 2: Convert to fraction form
    129,110.69/193,650.62 = 34,347.83/x
  3. Step 3: Cross multiply
    129,110.69x = 193,650.62 × 34,347.83
  4. Step 4: Simplify right side
    129,110.69x = 6,651,479,145.15
  5. Step 5: Solve for x
    x = 6,651,479,145.15/129,110.69
  6. Step 6: Final answer
    x = 51,517.65

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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.