Home / 515,929.86-773,921.73-156,091.59

Finding the Fourth Proportional to 515,929.86, 773,921.73 and 156,091.59

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Solution

The fourth proportional to 515,929.86, 773,921.73 and 156,091.59 is: 234,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,929.86 : 773,921.73 = 156,091.59 : x
  2. Step 2: Convert to fraction form
    515,929.86/773,921.73 = 156,091.59/x
  3. Step 3: Cross multiply
    515,929.86x = 773,921.73 × 156,091.59
  4. Step 4: Simplify right side
    515,929.86x = 120,802,673,371.25
  5. Step 5: Solve for x
    x = 120,802,673,371.25/515,929.86
  6. Step 6: Final answer
    x = 234,145.54

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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.