Home / 171,611.22-257,490.33-82,930.80

Finding the Fourth Proportional to 171,611.22, 257,490.33 and 82,930.80

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Solution

The fourth proportional to 171,611.22, 257,490.33 and 82,930.80 is: 124,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,611.22 : 257,490.33 = 82,930.80 : x
  2. Step 2: Convert to fraction form
    171,611.22/257,490.33 = 82,930.80/x
  3. Step 3: Cross multiply
    171,611.22x = 257,490.33 × 82,930.80
  4. Step 4: Simplify right side
    171,611.22x = 21,353,877,771.71
  5. Step 5: Solve for x
    x = 21,353,877,771.71/171,611.22
  6. Step 6: Final answer
    x = 124,431.71

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1.5x scale

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.