Home / 188,692.38-260,394.48-108,121.14

Finding the Fourth Proportional to 188,692.38, 260,394.48 and 108,121.14

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Solution

The fourth proportional to 188,692.38, 260,394.48 and 108,121.14 is: 149,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,692.38 : 260,394.48 = 108,121.14 : x
  2. Step 2: Convert to fraction form
    188,692.38/260,394.48 = 108,121.14/x
  3. Step 3: Cross multiply
    188,692.38x = 260,394.48 × 108,121.14
  4. Step 4: Simplify right side
    188,692.38x = 28,154,148,027.31
  5. Step 5: Solve for x
    x = 28,154,148,027.31/188,692.38
  6. Step 6: Final answer
    x = 149,206.60

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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.