Home / 203,922.05-281,457.44-113,309.16

Finding the Fourth Proportional to 203,922.05, 281,457.44 and 113,309.16

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Solution

The fourth proportional to 203,922.05, 281,457.44 and 113,309.16 is: 156,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,922.05 : 281,457.44 = 113,309.16 : x
  2. Step 2: Convert to fraction form
    203,922.05/281,457.44 = 113,309.16/x
  3. Step 3: Cross multiply
    203,922.05x = 281,457.44 × 113,309.16
  4. Step 4: Simplify right side
    203,922.05x = 31,891,705,535.60
  5. Step 5: Solve for x
    x = 31,891,705,535.60/203,922.05
  6. Step 6: Final answer
    x = 156,391.65

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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.