Home / 168,907.14-252,855.59-102,145.22

Finding the Fourth Proportional to 168,907.14, 252,855.59 and 102,145.22

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Solution

The fourth proportional to 168,907.14, 252,855.59 and 102,145.22 is: 152,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,907.14 : 252,855.59 = 102,145.22 : x
  2. Step 2: Convert to fraction form
    168,907.14/252,855.59 = 102,145.22/x
  3. Step 3: Cross multiply
    168,907.14x = 252,855.59 × 102,145.22
  4. Step 4: Simplify right side
    168,907.14x = 25,827,989,868.78
  5. Step 5: Solve for x
    x = 25,827,989,868.78/168,907.14
  6. Step 6: Final answer
    x = 152,912.36

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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.