Home / 203,732.69-281,153.57-113,090.45

Finding the Fourth Proportional to 203,732.69, 281,153.57 and 113,090.45

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Solution

The fourth proportional to 203,732.69, 281,153.57 and 113,090.45 is: 156,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,732.69 : 281,153.57 = 113,090.45 : x
  2. Step 2: Convert to fraction form
    203,732.69/281,153.57 = 113,090.45/x
  3. Step 3: Cross multiply
    203,732.69x = 281,153.57 × 113,090.45
  4. Step 4: Simplify right side
    203,732.69x = 31,795,783,184.95
  5. Step 5: Solve for x
    x = 31,795,783,184.95/203,732.69
  6. Step 6: Final answer
    x = 156,066.18

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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.