Home / 203,830.83-281,284.65-113,184.54

Finding the Fourth Proportional to 203,830.83, 281,284.65 and 113,184.54

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Solution

The fourth proportional to 203,830.83, 281,284.65 and 113,184.54 is: 156,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,830.83 : 281,284.65 = 113,184.54 : x
  2. Step 2: Convert to fraction form
    203,830.83/281,284.65 = 113,184.54/x
  3. Step 3: Cross multiply
    203,830.83x = 281,284.65 × 113,184.54
  4. Step 4: Simplify right side
    203,830.83x = 31,837,073,719.31
  5. Step 5: Solve for x
    x = 31,837,073,719.31/203,830.83
  6. Step 6: Final answer
    x = 156,193.61

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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.