Home / 290,983.88-436,582.44-122,546.61

Finding the Fourth Proportional to 290,983.88, 436,582.44 and 122,546.61

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Solution

The fourth proportional to 290,983.88, 436,582.44 and 122,546.61 is: 183,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,983.88 : 436,582.44 = 122,546.61 : x
  2. Step 2: Convert to fraction form
    290,983.88/436,582.44 = 122,546.61/x
  3. Step 3: Cross multiply
    290,983.88x = 436,582.44 × 122,546.61
  4. Step 4: Simplify right side
    290,983.88x = 53,501,698,007.53
  5. Step 5: Solve for x
    x = 53,501,698,007.53/290,983.88
  6. Step 6: Final answer
    x = 183,864.82

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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.