Home / 203,842.23-281,292.80-113,203.95

Finding the Fourth Proportional to 203,842.23, 281,292.80 and 113,203.95

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Solution

The fourth proportional to 203,842.23, 281,292.80 and 113,203.95 is: 156,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,842.23 : 281,292.80 = 113,203.95 : x
  2. Step 2: Convert to fraction form
    203,842.23/281,292.80 = 113,203.95/x
  3. Step 3: Cross multiply
    203,842.23x = 281,292.80 × 113,203.95
  4. Step 4: Simplify right side
    203,842.23x = 31,843,455,500.54
  5. Step 5: Solve for x
    x = 31,843,455,500.54/203,842.23
  6. Step 6: Final answer
    x = 156,216.18

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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.