Home / 252,277.12-378,527.46-133,919.92

Finding the Fourth Proportional to 252,277.12, 378,527.46 and 133,919.92

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Solution

The fourth proportional to 252,277.12, 378,527.46 and 133,919.92 is: 200,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,277.12 : 378,527.46 = 133,919.92 : x
  2. Step 2: Convert to fraction form
    252,277.12/378,527.46 = 133,919.92/x
  3. Step 3: Cross multiply
    252,277.12x = 378,527.46 × 133,919.92
  4. Step 4: Simplify right side
    252,277.12x = 50,692,367,161.00
  5. Step 5: Solve for x
    x = 50,692,367,161.00/252,277.12
  6. Step 6: Final answer
    x = 200,939.22

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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.