Home / 304,018.11-419,487.26-190,789.83

Finding the Fourth Proportional to 304,018.11, 419,487.26 and 190,789.83

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Solution

The fourth proportional to 304,018.11, 419,487.26 and 190,789.83 is: 263,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,018.11 : 419,487.26 = 190,789.83 : x
  2. Step 2: Convert to fraction form
    304,018.11/419,487.26 = 190,789.83/x
  3. Step 3: Cross multiply
    304,018.11x = 419,487.26 × 190,789.83
  4. Step 4: Simplify right side
    304,018.11x = 80,033,902,068.62
  5. Step 5: Solve for x
    x = 80,033,902,068.62/304,018.11
  6. Step 6: Final answer
    x = 263,253.73

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1.5x scale

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.