Home / 203,728.89-281,179.16-113,114.19

Finding the Fourth Proportional to 203,728.89, 281,179.16 and 113,114.19

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Solution

The fourth proportional to 203,728.89, 281,179.16 and 113,114.19 is: 156,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,728.89 : 281,179.16 = 113,114.19 : x
  2. Step 2: Convert to fraction form
    203,728.89/281,179.16 = 113,114.19/x
  3. Step 3: Cross multiply
    203,728.89x = 281,179.16 × 113,114.19
  4. Step 4: Simplify right side
    203,728.89x = 31,805,352,928.28
  5. Step 5: Solve for x
    x = 31,805,352,928.28/203,728.89
  6. Step 6: Final answer
    x = 156,116.07

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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.