Home / 204,208.09-281,766.70-123,643.11

Finding the Fourth Proportional to 204,208.09, 281,766.70 and 123,643.11

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Solution

The fourth proportional to 204,208.09, 281,766.70 and 123,643.11 is: 170,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,208.09 : 281,766.70 = 123,643.11 : x
  2. Step 2: Convert to fraction form
    204,208.09/281,766.70 = 123,643.11/x
  3. Step 3: Cross multiply
    204,208.09x = 281,766.70 × 123,643.11
  4. Step 4: Simplify right side
    204,208.09x = 34,838,510,708.68
  5. Step 5: Solve for x
    x = 34,838,510,708.68/204,208.09
  6. Step 6: Final answer
    x = 170,602.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.