Home / 339,582.60-509,447.39-102,943.13

Finding the Fourth Proportional to 339,582.60, 509,447.39 and 102,943.13

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Solution

The fourth proportional to 339,582.60, 509,447.39 and 102,943.13 is: 154,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,582.60 : 509,447.39 = 102,943.13 : x
  2. Step 2: Convert to fraction form
    339,582.60/509,447.39 = 102,943.13/x
  3. Step 3: Cross multiply
    339,582.60x = 509,447.39 × 102,943.13
  4. Step 4: Simplify right side
    339,582.60x = 52,444,105,834.98
  5. Step 5: Solve for x
    x = 52,444,105,834.98/339,582.60
  6. Step 6: Final answer
    x = 154,436.96

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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.