Home / 339,916.14-469,095.74-186,960.78

Finding the Fourth Proportional to 339,916.14, 469,095.74 and 186,960.78

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Solution

The fourth proportional to 339,916.14, 469,095.74 and 186,960.78 is: 258,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,916.14 : 469,095.74 = 186,960.78 : x
  2. Step 2: Convert to fraction form
    339,916.14/469,095.74 = 186,960.78/x
  3. Step 3: Cross multiply
    339,916.14x = 469,095.74 × 186,960.78
  4. Step 4: Simplify right side
    339,916.14x = 87,702,504,510.27
  5. Step 5: Solve for x
    x = 87,702,504,510.27/339,916.14
  6. Step 6: Final answer
    x = 258,012.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.