Home / 168,100.12-252,172.04-61,467.47

Finding the Fourth Proportional to 168,100.12, 252,172.04 and 61,467.47

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Solution

The fourth proportional to 168,100.12, 252,172.04 and 61,467.47 is: 92,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,100.12 : 252,172.04 = 61,467.47 : x
  2. Step 2: Convert to fraction form
    168,100.12/252,172.04 = 61,467.47/x
  3. Step 3: Cross multiply
    168,100.12x = 252,172.04 × 61,467.47
  4. Step 4: Simplify right side
    168,100.12x = 15,500,377,303.54
  5. Step 5: Solve for x
    x = 15,500,377,303.54/168,100.12
  6. Step 6: Final answer
    x = 92,209.20

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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.