Home / 203,870.10-281,324.63-113,217.30

Finding the Fourth Proportional to 203,870.10, 281,324.63 and 113,217.30

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Solution

The fourth proportional to 203,870.10, 281,324.63 and 113,217.30 is: 156,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,870.10 : 281,324.63 = 113,217.30 : x
  2. Step 2: Convert to fraction form
    203,870.10/281,324.63 = 113,217.30/x
  3. Step 3: Cross multiply
    203,870.10x = 281,324.63 × 113,217.30
  4. Step 4: Simplify right side
    203,870.10x = 31,850,815,032.10
  5. Step 5: Solve for x
    x = 31,850,815,032.10/203,870.10
  6. Step 6: Final answer
    x = 156,230.93

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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.