Home / 171,629.20-257,443.80-159,187.60

Finding the Fourth Proportional to 171,629.20, 257,443.80 and 159,187.60

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Solution

The fourth proportional to 171,629.20, 257,443.80 and 159,187.60 is: 238,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,629.20 : 257,443.80 = 159,187.60 : x
  2. Step 2: Convert to fraction form
    171,629.20/257,443.80 = 159,187.60/x
  3. Step 3: Cross multiply
    171,629.20x = 257,443.80 × 159,187.60
  4. Step 4: Simplify right side
    171,629.20x = 40,981,860,656.88
  5. Step 5: Solve for x
    x = 40,981,860,656.88/171,629.20
  6. Step 6: Final answer
    x = 238,781.40

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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.