Home / 204,093.81-281,534.45-122,400.32

Finding the Fourth Proportional to 204,093.81, 281,534.45 and 122,400.32

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Solution

The fourth proportional to 204,093.81, 281,534.45 and 122,400.32 is: 168,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,093.81 : 281,534.45 = 122,400.32 : x
  2. Step 2: Convert to fraction form
    204,093.81/281,534.45 = 122,400.32/x
  3. Step 3: Cross multiply
    204,093.81x = 281,534.45 × 122,400.32
  4. Step 4: Simplify right side
    204,093.81x = 34,459,904,751.35
  5. Step 5: Solve for x
    x = 34,459,904,751.35/204,093.81
  6. Step 6: Final answer
    x = 168,843.46

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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.