Home / 188,692.66-260,433.09-108,174.25

Finding the Fourth Proportional to 188,692.66, 260,433.09 and 108,174.25

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Solution

The fourth proportional to 188,692.66, 260,433.09 and 108,174.25 is: 149,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,692.66 : 260,433.09 = 108,174.25 : x
  2. Step 2: Convert to fraction form
    188,692.66/260,433.09 = 108,174.25/x
  3. Step 3: Cross multiply
    188,692.66x = 260,433.09 × 108,174.25
  4. Step 4: Simplify right side
    188,692.66x = 28,172,152,342.90
  5. Step 5: Solve for x
    x = 28,172,152,342.90/188,692.66
  6. Step 6: Final answer
    x = 149,301.80

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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.