Home / 152,343.20-228,579.60-73,416.80

Finding the Fourth Proportional to 152,343.20, 228,579.60 and 73,416.80

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Solution

The fourth proportional to 152,343.20, 228,579.60 and 73,416.80 is: 110,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,343.20 : 228,579.60 = 73,416.80 : x
  2. Step 2: Convert to fraction form
    152,343.20/228,579.60 = 73,416.80/x
  3. Step 3: Cross multiply
    152,343.20x = 228,579.60 × 73,416.80
  4. Step 4: Simplify right side
    152,343.20x = 16,781,582,777.28
  5. Step 5: Solve for x
    x = 16,781,582,777.28/152,343.20
  6. Step 6: Final answer
    x = 110,156.43

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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.