Home / 298,974.29-447,545.60-193,583.57

Finding the Fourth Proportional to 298,974.29, 447,545.60 and 193,583.57

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Solution

The fourth proportional to 298,974.29, 447,545.60 and 193,583.57 is: 289,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,974.29 : 447,545.60 = 193,583.57 : x
  2. Step 2: Convert to fraction form
    298,974.29/447,545.60 = 193,583.57/x
  3. Step 3: Cross multiply
    298,974.29x = 447,545.60 × 193,583.57
  4. Step 4: Simplify right side
    298,974.29x = 86,637,474,017.87
  5. Step 5: Solve for x
    x = 86,637,474,017.87/298,974.29
  6. Step 6: Final answer
    x = 289,782.36

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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.