Home / 252,743.86-378,928.52-119,468.38

Finding the Fourth Proportional to 252,743.86, 378,928.52 and 119,468.38

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Solution

The fourth proportional to 252,743.86, 378,928.52 and 119,468.38 is: 179,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,743.86 : 378,928.52 = 119,468.38 : x
  2. Step 2: Convert to fraction form
    252,743.86/378,928.52 = 119,468.38/x
  3. Step 3: Cross multiply
    252,743.86x = 378,928.52 × 119,468.38
  4. Step 4: Simplify right side
    252,743.86x = 45,269,976,034.03
  5. Step 5: Solve for x
    x = 45,269,976,034.03/252,743.86
  6. Step 6: Final answer
    x = 179,114.05

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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.