Home / 327,189.46-490,780.85-127,650.01

Finding the Fourth Proportional to 327,189.46, 490,780.85 and 127,650.01

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Solution

The fourth proportional to 327,189.46, 490,780.85 and 127,650.01 is: 191,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,189.46 : 490,780.85 = 127,650.01 : x
  2. Step 2: Convert to fraction form
    327,189.46/490,780.85 = 127,650.01/x
  3. Step 3: Cross multiply
    327,189.46x = 490,780.85 × 127,650.01
  4. Step 4: Simplify right side
    327,189.46x = 62,648,179,824.34
  5. Step 5: Solve for x
    x = 62,648,179,824.34/327,189.46
  6. Step 6: Final answer
    x = 191,473.71

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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.