Home / 168,688.14-252,907.20-102,112.52

Finding the Fourth Proportional to 168,688.14, 252,907.20 and 102,112.52

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Solution

The fourth proportional to 168,688.14, 252,907.20 and 102,112.52 is: 153,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,688.14 : 252,907.20 = 102,112.52 : x
  2. Step 2: Convert to fraction form
    168,688.14/252,907.20 = 102,112.52/x
  3. Step 3: Cross multiply
    168,688.14x = 252,907.20 × 102,112.52
  4. Step 4: Simplify right side
    168,688.14x = 25,824,990,253.61
  5. Step 5: Solve for x
    x = 25,824,990,253.61/168,688.14
  6. Step 6: Final answer
    x = 153,093.10

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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.