Home / 168,185.40-252,272.64-68,316.04

Finding the Fourth Proportional to 168,185.40, 252,272.64 and 68,316.04

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Solution

The fourth proportional to 168,185.40, 252,272.64 and 68,316.04 is: 102,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,185.40 : 252,272.64 = 68,316.04 : x
  2. Step 2: Convert to fraction form
    168,185.40/252,272.64 = 68,316.04/x
  3. Step 3: Cross multiply
    168,185.40x = 252,272.64 × 68,316.04
  4. Step 4: Simplify right side
    168,185.40x = 17,234,267,765.15
  5. Step 5: Solve for x
    x = 17,234,267,765.15/168,185.40
  6. Step 6: Final answer
    x = 102,471.84

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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.