Home / 198,857.16-274,103.60-134,305.65

Finding the Fourth Proportional to 198,857.16, 274,103.60 and 134,305.65

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Solution

The fourth proportional to 198,857.16, 274,103.60 and 134,305.65 is: 185,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,857.16 : 274,103.60 = 134,305.65 : x
  2. Step 2: Convert to fraction form
    198,857.16/274,103.60 = 134,305.65/x
  3. Step 3: Cross multiply
    198,857.16x = 274,103.60 × 134,305.65
  4. Step 4: Simplify right side
    198,857.16x = 36,813,661,493.81
  5. Step 5: Solve for x
    x = 36,813,661,493.81/198,857.16
  6. Step 6: Final answer
    x = 185,126.16

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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.