Home / 168,253.20-252,374.33-68,386.58

Finding the Fourth Proportional to 168,253.20, 252,374.33 and 68,386.58

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Solution

The fourth proportional to 168,253.20, 252,374.33 and 68,386.58 is: 102,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,253.20 : 252,374.33 = 68,386.58 : x
  2. Step 2: Convert to fraction form
    168,253.20/252,374.33 = 68,386.58/x
  3. Step 3: Cross multiply
    168,253.20x = 252,374.33 × 68,386.58
  4. Step 4: Simplify right side
    168,253.20x = 17,259,017,163.99
  5. Step 5: Solve for x
    x = 17,259,017,163.99/168,253.20
  6. Step 6: Final answer
    x = 102,577.65

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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.