Home / 186,858.57-280,121.16-68,502.27

Finding the Fourth Proportional to 186,858.57, 280,121.16 and 68,502.27

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Solution

The fourth proportional to 186,858.57, 280,121.16 and 68,502.27 is: 102,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,858.57 : 280,121.16 = 68,502.27 : x
  2. Step 2: Convert to fraction form
    186,858.57/280,121.16 = 68,502.27/x
  3. Step 3: Cross multiply
    186,858.57x = 280,121.16 × 68,502.27
  4. Step 4: Simplify right side
    186,858.57x = 19,188,935,335.03
  5. Step 5: Solve for x
    x = 19,188,935,335.03/186,858.57
  6. Step 6: Final answer
    x = 102,692.29

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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.