Home / 129,074.52-193,604.82-40,317.84

Finding the Fourth Proportional to 129,074.52, 193,604.82 and 40,317.84

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Solution

The fourth proportional to 129,074.52, 193,604.82 and 40,317.84 is: 60,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,074.52 : 193,604.82 = 40,317.84 : x
  2. Step 2: Convert to fraction form
    129,074.52/193,604.82 = 40,317.84/x
  3. Step 3: Cross multiply
    129,074.52x = 193,604.82 × 40,317.84
  4. Step 4: Simplify right side
    129,074.52x = 7,805,728,155.99
  5. Step 5: Solve for x
    x = 7,805,728,155.99/129,074.52
  6. Step 6: Final answer
    x = 60,474.59

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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.