Home / 168,056.10-252,128.70-73,245.60

Finding the Fourth Proportional to 168,056.10, 252,128.70 and 73,245.60

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Solution

The fourth proportional to 168,056.10, 252,128.70 and 73,245.60 is: 109,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,056.10 : 252,128.70 = 73,245.60 : x
  2. Step 2: Convert to fraction form
    168,056.10/252,128.70 = 73,245.60/x
  3. Step 3: Cross multiply
    168,056.10x = 252,128.70 × 73,245.60
  4. Step 4: Simplify right side
    168,056.10x = 18,467,317,908.72
  5. Step 5: Solve for x
    x = 18,467,317,908.72/168,056.10
  6. Step 6: Final answer
    x = 109,887.82

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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.