Home / 199,284.39-274,856.94-127,671.09

Finding the Fourth Proportional to 199,284.39, 274,856.94 and 127,671.09

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Solution

The fourth proportional to 199,284.39, 274,856.94 and 127,671.09 is: 176,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,284.39 : 274,856.94 = 127,671.09 : x
  2. Step 2: Convert to fraction form
    199,284.39/274,856.94 = 127,671.09/x
  3. Step 3: Cross multiply
    199,284.39x = 274,856.94 × 127,671.09
  4. Step 4: Simplify right side
    199,284.39x = 35,091,285,123.86
  5. Step 5: Solve for x
    x = 35,091,285,123.86/199,284.39
  6. Step 6: Final answer
    x = 176,086.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.