Home / 188,015.13-281,882.43-113,117.73

Finding the Fourth Proportional to 188,015.13, 281,882.43 and 113,117.73

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Solution

The fourth proportional to 188,015.13, 281,882.43 and 113,117.73 is: 169,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,015.13 : 281,882.43 = 113,117.73 : x
  2. Step 2: Convert to fraction form
    188,015.13/281,882.43 = 113,117.73/x
  3. Step 3: Cross multiply
    188,015.13x = 281,882.43 × 113,117.73
  4. Step 4: Simplify right side
    188,015.13x = 31,885,900,608.48
  5. Step 5: Solve for x
    x = 31,885,900,608.48/188,015.13
  6. Step 6: Final answer
    x = 169,592.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.