Home / 252,575.07-378,924.97-75,081.32

Finding the Fourth Proportional to 252,575.07, 378,924.97 and 75,081.32

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Solution

The fourth proportional to 252,575.07, 378,924.97 and 75,081.32 is: 112,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,575.07 : 378,924.97 = 75,081.32 : x
  2. Step 2: Convert to fraction form
    252,575.07/378,924.97 = 75,081.32/x
  3. Step 3: Cross multiply
    252,575.07x = 378,924.97 × 75,081.32
  4. Step 4: Simplify right side
    252,575.07x = 28,450,186,928.56
  5. Step 5: Solve for x
    x = 28,450,186,928.56/252,575.07
  6. Step 6: Final answer
    x = 112,640.52

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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.