Home / 188,024.20-282,286.58-109,195

Finding the Fourth Proportional to 188,024.20, 282,286.58 and 109,195

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Solution

The fourth proportional to 188,024.20, 282,286.58 and 109,195 is: 163,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,024.20 : 282,286.58 = 109,195 : x
  2. Step 2: Convert to fraction form
    188,024.20/282,286.58 = 109,195/x
  3. Step 3: Cross multiply
    188,024.20x = 282,286.58 × 109,195
  4. Step 4: Simplify right side
    188,024.20x = 30,824,283,103.10
  5. Step 5: Solve for x
    x = 30,824,283,103.10/188,024.20
  6. Step 6: Final answer
    x = 163,937.85

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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.