Home / 129,797.07-194,782.47-45,557.62

Finding the Fourth Proportional to 129,797.07, 194,782.47 and 45,557.62

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Solution

The fourth proportional to 129,797.07, 194,782.47 and 45,557.62 is: 68,366.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,797.07 : 194,782.47 = 45,557.62 : x
  2. Step 2: Convert to fraction form
    129,797.07/194,782.47 = 45,557.62/x
  3. Step 3: Cross multiply
    129,797.07x = 194,782.47 × 45,557.62
  4. Step 4: Simplify right side
    129,797.07x = 8,873,825,523.13
  5. Step 5: Solve for x
    x = 8,873,825,523.13/129,797.07
  6. Step 6: Final answer
    x = 68,366.92

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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.