Home / 188,013.57-281,880.09-113,116.16

Finding the Fourth Proportional to 188,013.57, 281,880.09 and 113,116.16

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Solution

The fourth proportional to 188,013.57, 281,880.09 and 113,116.16 is: 169,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,013.57 : 281,880.09 = 113,116.16 : x
  2. Step 2: Convert to fraction form
    188,013.57/281,880.09 = 113,116.16/x
  3. Step 3: Cross multiply
    188,013.57x = 281,880.09 × 113,116.16
  4. Step 4: Simplify right side
    188,013.57x = 31,885,194,065.95
  5. Step 5: Solve for x
    x = 31,885,194,065.95/188,013.57
  6. Step 6: Final answer
    x = 169,589.86

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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.