Home / 515,929.36-773,920.98-156,091.09

Finding the Fourth Proportional to 515,929.36, 773,920.98 and 156,091.09

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Solution

The fourth proportional to 515,929.36, 773,920.98 and 156,091.09 is: 234,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,929.36 : 773,920.98 = 156,091.09 : x
  2. Step 2: Convert to fraction form
    515,929.36/773,920.98 = 156,091.09/x
  3. Step 3: Cross multiply
    515,929.36x = 773,920.98 × 156,091.09
  4. Step 4: Simplify right side
    515,929.36x = 120,802,167,770.04
  5. Step 5: Solve for x
    x = 120,802,167,770.04/515,929.36
  6. Step 6: Final answer
    x = 234,144.78

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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.