Home / 203,819.04-281,260.87-113,180.76

Finding the Fourth Proportional to 203,819.04, 281,260.87 and 113,180.76

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Solution

The fourth proportional to 203,819.04, 281,260.87 and 113,180.76 is: 156,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,819.04 : 281,260.87 = 113,180.76 : x
  2. Step 2: Convert to fraction form
    203,819.04/281,260.87 = 113,180.76/x
  3. Step 3: Cross multiply
    203,819.04x = 281,260.87 × 113,180.76
  4. Step 4: Simplify right side
    203,819.04x = 31,833,318,741.91
  5. Step 5: Solve for x
    x = 31,833,318,741.91/203,819.04
  6. Step 6: Final answer
    x = 156,184.22

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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.