Home / 203,705.62-281,113.86-113,061.64

Finding the Fourth Proportional to 203,705.62, 281,113.86 and 113,061.64

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Solution

The fourth proportional to 203,705.62, 281,113.86 and 113,061.64 is: 156,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,705.62 : 281,113.86 = 113,061.64 : x
  2. Step 2: Convert to fraction form
    203,705.62/281,113.86 = 113,061.64/x
  3. Step 3: Cross multiply
    203,705.62x = 281,113.86 × 113,061.64
  4. Step 4: Simplify right side
    203,705.62x = 31,783,194,038.33
  5. Step 5: Solve for x
    x = 31,783,194,038.33/203,705.62
  6. Step 6: Final answer
    x = 156,025.12

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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.