Home / 171,935.82-257,568.23-112,591.58

Finding the Fourth Proportional to 171,935.82, 257,568.23 and 112,591.58

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Solution

The fourth proportional to 171,935.82, 257,568.23 and 112,591.58 is: 168,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,935.82 : 257,568.23 = 112,591.58 : x
  2. Step 2: Convert to fraction form
    171,935.82/257,568.23 = 112,591.58/x
  3. Step 3: Cross multiply
    171,935.82x = 257,568.23 × 112,591.58
  4. Step 4: Simplify right side
    171,935.82x = 29,000,012,122.70
  5. Step 5: Solve for x
    x = 29,000,012,122.70/171,935.82
  6. Step 6: Final answer
    x = 168,667.66

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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.