Home / 203,815.58-281,260.08-113,168.88

Finding the Fourth Proportional to 203,815.58, 281,260.08 and 113,168.88

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Solution

The fourth proportional to 203,815.58, 281,260.08 and 113,168.88 is: 156,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,815.58 : 281,260.08 = 113,168.88 : x
  2. Step 2: Convert to fraction form
    203,815.58/281,260.08 = 113,168.88/x
  3. Step 3: Cross multiply
    203,815.58x = 281,260.08 × 113,168.88
  4. Step 4: Simplify right side
    203,815.58x = 31,829,888,242.31
  5. Step 5: Solve for x
    x = 31,829,888,242.31/203,815.58
  6. Step 6: Final answer
    x = 156,170.05

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1.5x scale

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.