Home / 173,578.20-259,676.10-156,989.40

Finding the Fourth Proportional to 173,578.20, 259,676.10 and 156,989.40

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Solution

The fourth proportional to 173,578.20, 259,676.10 and 156,989.40 is: 234,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,578.20 : 259,676.10 = 156,989.40 : x
  2. Step 2: Convert to fraction form
    173,578.20/259,676.10 = 156,989.40/x
  3. Step 3: Cross multiply
    173,578.20x = 259,676.10 × 156,989.40
  4. Step 4: Simplify right side
    173,578.20x = 40,766,395,133.34
  5. Step 5: Solve for x
    x = 40,766,395,133.34/173,578.20
  6. Step 6: Final answer
    x = 234,858.96

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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.