Home / 188,788.50-283,182.75-77,983.38

Finding the Fourth Proportional to 188,788.50, 283,182.75 and 77,983.38

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Solution

The fourth proportional to 188,788.50, 283,182.75 and 77,983.38 is: 116,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,788.50 : 283,182.75 = 77,983.38 : x
  2. Step 2: Convert to fraction form
    188,788.50/283,182.75 = 77,983.38/x
  3. Step 3: Cross multiply
    188,788.50x = 283,182.75 × 77,983.38
  4. Step 4: Simplify right side
    188,788.50x = 22,083,548,002.70
  5. Step 5: Solve for x
    x = 22,083,548,002.70/188,788.50
  6. Step 6: Final answer
    x = 116,975.07

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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.