Home / 188,919.52-283,184.88-83,788

Finding the Fourth Proportional to 188,919.52, 283,184.88 and 83,788

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Solution

The fourth proportional to 188,919.52, 283,184.88 and 83,788 is: 125,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,919.52 : 283,184.88 = 83,788 : x
  2. Step 2: Convert to fraction form
    188,919.52/283,184.88 = 83,788/x
  3. Step 3: Cross multiply
    188,919.52x = 283,184.88 × 83,788
  4. Step 4: Simplify right side
    188,919.52x = 23,727,494,725.44
  5. Step 5: Solve for x
    x = 23,727,494,725.44/188,919.52
  6. Step 6: Final answer
    x = 125,595.78

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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.