Home / 327,170.46-490,554.78-127,257.84

Finding the Fourth Proportional to 327,170.46, 490,554.78 and 127,257.84

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Solution

The fourth proportional to 327,170.46, 490,554.78 and 127,257.84 is: 190,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,170.46 : 490,554.78 = 127,257.84 : x
  2. Step 2: Convert to fraction form
    327,170.46/490,554.78 = 127,257.84/x
  3. Step 3: Cross multiply
    327,170.46x = 490,554.78 × 127,257.84
  4. Step 4: Simplify right side
    327,170.46x = 62,426,941,704.48
  5. Step 5: Solve for x
    x = 62,426,941,704.48/327,170.46
  6. Step 6: Final answer
    x = 190,808.61

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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.