Home / 322,942.19-484,446.32-123,430.51

Finding the Fourth Proportional to 322,942.19, 484,446.32 and 123,430.51

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Solution

The fourth proportional to 322,942.19, 484,446.32 and 123,430.51 is: 185,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,942.19 : 484,446.32 = 123,430.51 : x
  2. Step 2: Convert to fraction form
    322,942.19/484,446.32 = 123,430.51/x
  3. Step 3: Cross multiply
    322,942.19x = 484,446.32 × 123,430.51
  4. Step 4: Simplify right side
    322,942.19x = 59,795,456,345.22
  5. Step 5: Solve for x
    x = 59,795,456,345.22/322,942.19
  6. Step 6: Final answer
    x = 185,158.39

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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.