Home / 204,526.14-306,805.61-71,403.45

Finding the Fourth Proportional to 204,526.14, 306,805.61 and 71,403.45

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Solution

The fourth proportional to 204,526.14, 306,805.61 and 71,403.45 is: 107,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,526.14 : 306,805.61 = 71,403.45 : x
  2. Step 2: Convert to fraction form
    204,526.14/306,805.61 = 71,403.45/x
  3. Step 3: Cross multiply
    204,526.14x = 306,805.61 × 71,403.45
  4. Step 4: Simplify right side
    204,526.14x = 21,906,979,033.35
  5. Step 5: Solve for x
    x = 21,906,979,033.35/204,526.14
  6. Step 6: Final answer
    x = 107,110.90

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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.