Home / 121,568.14-182,198.82-61,611.68

Finding the Fourth Proportional to 121,568.14, 182,198.82 and 61,611.68

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Solution

The fourth proportional to 121,568.14, 182,198.82 and 61,611.68 is: 92,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,568.14 : 182,198.82 = 61,611.68 : x
  2. Step 2: Convert to fraction form
    121,568.14/182,198.82 = 61,611.68/x
  3. Step 3: Cross multiply
    121,568.14x = 182,198.82 × 61,611.68
  4. Step 4: Simplify right side
    121,568.14x = 11,225,574,935.43
  5. Step 5: Solve for x
    x = 11,225,574,935.43/121,568.14
  6. Step 6: Final answer
    x = 92,339.78

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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.