Home / 204,185.63-281,776.40-113,539.65

Finding the Fourth Proportional to 204,185.63, 281,776.40 and 113,539.65

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Solution

The fourth proportional to 204,185.63, 281,776.40 and 113,539.65 is: 156,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,185.63 : 281,776.40 = 113,539.65 : x
  2. Step 2: Convert to fraction form
    204,185.63/281,776.40 = 113,539.65/x
  3. Step 3: Cross multiply
    204,185.63x = 281,776.40 × 113,539.65
  4. Step 4: Simplify right side
    204,185.63x = 31,992,793,834.26
  5. Step 5: Solve for x
    x = 31,992,793,834.26/204,185.63
  6. Step 6: Final answer
    x = 156,684.85

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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.