Home / 168,622.14-252,960.66-78,754.72

Finding the Fourth Proportional to 168,622.14, 252,960.66 and 78,754.72

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Solution

The fourth proportional to 168,622.14, 252,960.66 and 78,754.72 is: 118,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,622.14 : 252,960.66 = 78,754.72 : x
  2. Step 2: Convert to fraction form
    168,622.14/252,960.66 = 78,754.72/x
  3. Step 3: Cross multiply
    168,622.14x = 252,960.66 × 78,754.72
  4. Step 4: Simplify right side
    168,622.14x = 19,921,845,949.32
  5. Step 5: Solve for x
    x = 19,921,845,949.32/168,622.14
  6. Step 6: Final answer
    x = 118,144.90

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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.