Home / 203,736.65-281,143.24-113,088.20

Finding the Fourth Proportional to 203,736.65, 281,143.24 and 113,088.20

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Solution

The fourth proportional to 203,736.65, 281,143.24 and 113,088.20 is: 156,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,736.65 : 281,143.24 = 113,088.20 : x
  2. Step 2: Convert to fraction form
    203,736.65/281,143.24 = 113,088.20/x
  3. Step 3: Cross multiply
    203,736.65x = 281,143.24 × 113,088.20
  4. Step 4: Simplify right side
    203,736.65x = 31,793,981,265.33
  5. Step 5: Solve for x
    x = 31,793,981,265.33/203,736.65
  6. Step 6: Final answer
    x = 156,054.31

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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.