Home / 188,693.20-283,039.74-129,348.95

Finding the Fourth Proportional to 188,693.20, 283,039.74 and 129,348.95

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Solution

The fourth proportional to 188,693.20, 283,039.74 and 129,348.95 is: 194,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,693.20 : 283,039.74 = 129,348.95 : x
  2. Step 2: Convert to fraction form
    188,693.20/283,039.74 = 129,348.95/x
  3. Step 3: Cross multiply
    188,693.20x = 283,039.74 × 129,348.95
  4. Step 4: Simplify right side
    188,693.20x = 36,610,893,884.87
  5. Step 5: Solve for x
    x = 36,610,893,884.87/188,693.20
  6. Step 6: Final answer
    x = 194,023.39

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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.