Home / 204,471.09-306,263.16-99,069.03

Finding the Fourth Proportional to 204,471.09, 306,263.16 and 99,069.03

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Solution

The fourth proportional to 204,471.09, 306,263.16 and 99,069.03 is: 148,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,471.09 : 306,263.16 = 99,069.03 : x
  2. Step 2: Convert to fraction form
    204,471.09/306,263.16 = 99,069.03/x
  3. Step 3: Cross multiply
    204,471.09x = 306,263.16 × 99,069.03
  4. Step 4: Simplify right side
    204,471.09x = 30,341,194,185.93
  5. Step 5: Solve for x
    x = 30,341,194,185.93/204,471.09
  6. Step 6: Final answer
    x = 148,388.68

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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.