Home / 152,325.20-228,552.60-73,398.80

Finding the Fourth Proportional to 152,325.20, 228,552.60 and 73,398.80

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Solution

The fourth proportional to 152,325.20, 228,552.60 and 73,398.80 is: 110,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,325.20 : 228,552.60 = 73,398.80 : x
  2. Step 2: Convert to fraction form
    152,325.20/228,552.60 = 73,398.80/x
  3. Step 3: Cross multiply
    152,325.20x = 228,552.60 × 73,398.80
  4. Step 4: Simplify right side
    152,325.20x = 16,775,486,576.88
  5. Step 5: Solve for x
    x = 16,775,486,576.88/152,325.20
  6. Step 6: Final answer
    x = 110,129.42

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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.