Home / 327,545.37-491,154.03-102,902.81

Finding the Fourth Proportional to 327,545.37, 491,154.03 and 102,902.81

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Solution

The fourth proportional to 327,545.37, 491,154.03 and 102,902.81 is: 154,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,545.37 : 491,154.03 = 102,902.81 : x
  2. Step 2: Convert to fraction form
    327,545.37/491,154.03 = 102,902.81/x
  3. Step 3: Cross multiply
    327,545.37x = 491,154.03 × 102,902.81
  4. Step 4: Simplify right side
    327,545.37x = 50,541,127,374.05
  5. Step 5: Solve for x
    x = 50,541,127,374.05/327,545.37
  6. Step 6: Final answer
    x = 154,302.68

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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.