Home / 203,746.05-281,172.67-113,107.86

Finding the Fourth Proportional to 203,746.05, 281,172.67 and 113,107.86

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Solution

The fourth proportional to 203,746.05, 281,172.67 and 113,107.86 is: 156,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,746.05 : 281,172.67 = 113,107.86 : x
  2. Step 2: Convert to fraction form
    203,746.05/281,172.67 = 113,107.86/x
  3. Step 3: Cross multiply
    203,746.05x = 281,172.67 × 113,107.86
  4. Step 4: Simplify right side
    203,746.05x = 31,802,838,711.42
  5. Step 5: Solve for x
    x = 31,802,838,711.42/203,746.05
  6. Step 6: Final answer
    x = 156,090.58

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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.