Home / 171,844.49-257,771.05-47,185.13

Finding the Fourth Proportional to 171,844.49, 257,771.05 and 47,185.13

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Solution

The fourth proportional to 171,844.49, 257,771.05 and 47,185.13 is: 70,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,844.49 : 257,771.05 = 47,185.13 : x
  2. Step 2: Convert to fraction form
    171,844.49/257,771.05 = 47,185.13/x
  3. Step 3: Cross multiply
    171,844.49x = 257,771.05 × 47,185.13
  4. Step 4: Simplify right side
    171,844.49x = 12,162,960,504.49
  5. Step 5: Solve for x
    x = 12,162,960,504.49/171,844.49
  6. Step 6: Final answer
    x = 70,778.88

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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.