Home / 188,789.50-283,184.25-77,984.38

Finding the Fourth Proportional to 188,789.50, 283,184.25 and 77,984.38

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Solution

The fourth proportional to 188,789.50, 283,184.25 and 77,984.38 is: 116,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,789.50 : 283,184.25 = 77,984.38 : x
  2. Step 2: Convert to fraction form
    188,789.50/283,184.25 = 77,984.38/x
  3. Step 3: Cross multiply
    188,789.50x = 283,184.25 × 77,984.38
  4. Step 4: Simplify right side
    188,789.50x = 22,083,948,162.02
  5. Step 5: Solve for x
    x = 22,083,948,162.02/188,789.50
  6. Step 6: Final answer
    x = 116,976.57

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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.