Home / 168,057.10-252,130.20-73,246.60

Finding the Fourth Proportional to 168,057.10, 252,130.20 and 73,246.60

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Solution

The fourth proportional to 168,057.10, 252,130.20 and 73,246.60 is: 109,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057.10 : 252,130.20 = 73,246.60 : x
  2. Step 2: Convert to fraction form
    168,057.10/252,130.20 = 73,246.60/x
  3. Step 3: Cross multiply
    168,057.10x = 252,130.20 × 73,246.60
  4. Step 4: Simplify right side
    168,057.10x = 18,467,679,907.32
  5. Step 5: Solve for x
    x = 18,467,679,907.32/168,057.10
  6. Step 6: Final answer
    x = 109,889.32

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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.