Home / 325,764.45-487,981.45-167,660.75

Finding the Fourth Proportional to 325,764.45, 487,981.45 and 167,660.75

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Solution

The fourth proportional to 325,764.45, 487,981.45 and 167,660.75 is: 251,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,764.45 : 487,981.45 = 167,660.75 : x
  2. Step 2: Convert to fraction form
    325,764.45/487,981.45 = 167,660.75/x
  3. Step 3: Cross multiply
    325,764.45x = 487,981.45 × 167,660.75
  4. Step 4: Simplify right side
    325,764.45x = 81,815,335,893.09
  5. Step 5: Solve for x
    x = 81,815,335,893.09/325,764.45
  6. Step 6: Final answer
    x = 251,148.75

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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.