Home / 204,525.76-306,805.05-71,403.07

Finding the Fourth Proportional to 204,525.76, 306,805.05 and 71,403.07

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Solution

The fourth proportional to 204,525.76, 306,805.05 and 71,403.07 is: 107,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,525.76 : 306,805.05 = 71,403.07 : x
  2. Step 2: Convert to fraction form
    204,525.76/306,805.05 = 71,403.07/x
  3. Step 3: Cross multiply
    204,525.76x = 306,805.05 × 71,403.07
  4. Step 4: Simplify right side
    204,525.76x = 21,906,822,461.50
  5. Step 5: Solve for x
    x = 21,906,822,461.50/204,525.76
  6. Step 6: Final answer
    x = 107,110.33

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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.