Home / 187,184.36-280,805.70-112,286.90

Finding the Fourth Proportional to 187,184.36, 280,805.70 and 112,286.90

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Solution

The fourth proportional to 187,184.36, 280,805.70 and 112,286.90 is: 168,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,184.36 : 280,805.70 = 112,286.90 : x
  2. Step 2: Convert to fraction form
    187,184.36/280,805.70 = 112,286.90/x
  3. Step 3: Cross multiply
    187,184.36x = 280,805.70 × 112,286.90
  4. Step 4: Simplify right side
    187,184.36x = 31,530,801,555.33
  5. Step 5: Solve for x
    x = 31,530,801,555.33/187,184.36
  6. Step 6: Final answer
    x = 168,447.84

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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.