Home / 325,331.20-487,982.43-88,673.86

Finding the Fourth Proportional to 325,331.20, 487,982.43 and 88,673.86

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Solution

The fourth proportional to 325,331.20, 487,982.43 and 88,673.86 is: 133,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,331.20 : 487,982.43 = 88,673.86 : x
  2. Step 2: Convert to fraction form
    325,331.20/487,982.43 = 88,673.86/x
  3. Step 3: Cross multiply
    325,331.20x = 487,982.43 × 88,673.86
  4. Step 4: Simplify right side
    325,331.20x = 43,271,285,680.28
  5. Step 5: Solve for x
    x = 43,271,285,680.28/325,331.20
  6. Step 6: Final answer
    x = 133,006.87

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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.