Home / 327,083.07-490,814.93-137,529.70

Finding the Fourth Proportional to 327,083.07, 490,814.93 and 137,529.70

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Solution

The fourth proportional to 327,083.07, 490,814.93 and 137,529.70 is: 206,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,083.07 : 490,814.93 = 137,529.70 : x
  2. Step 2: Convert to fraction form
    327,083.07/490,814.93 = 137,529.70/x
  3. Step 3: Cross multiply
    327,083.07x = 490,814.93 × 137,529.70
  4. Step 4: Simplify right side
    327,083.07x = 67,501,630,078.42
  5. Step 5: Solve for x
    x = 67,501,630,078.42/327,083.07
  6. Step 6: Final answer
    x = 206,374.58

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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.