Home / 168,045.14-252,172.79-68,205.32

Finding the Fourth Proportional to 168,045.14, 252,172.79 and 68,205.32

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Solution

The fourth proportional to 168,045.14, 252,172.79 and 68,205.32 is: 102,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,045.14 : 252,172.79 = 68,205.32 : x
  2. Step 2: Convert to fraction form
    168,045.14/252,172.79 = 68,205.32/x
  3. Step 3: Cross multiply
    168,045.14x = 252,172.79 × 68,205.32
  4. Step 4: Simplify right side
    168,045.14x = 17,199,524,235.35
  5. Step 5: Solve for x
    x = 17,199,524,235.35/168,045.14
  6. Step 6: Final answer
    x = 102,350.62

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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.