Home / 168,282.18-252,519.75-68,423.94

Finding the Fourth Proportional to 168,282.18, 252,519.75 and 68,423.94

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Solution

The fourth proportional to 168,282.18, 252,519.75 and 68,423.94 is: 102,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,282.18 : 252,519.75 = 68,423.94 : x
  2. Step 2: Convert to fraction form
    168,282.18/252,519.75 = 68,423.94/x
  3. Step 3: Cross multiply
    168,282.18x = 252,519.75 × 68,423.94
  4. Step 4: Simplify right side
    168,282.18x = 17,278,396,222.82
  5. Step 5: Solve for x
    x = 17,278,396,222.82/168,282.18
  6. Step 6: Final answer
    x = 102,675.14

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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.