Home / 188,186.40-259,679.70-111,692.34

Finding the Fourth Proportional to 188,186.40, 259,679.70 and 111,692.34

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Solution

The fourth proportional to 188,186.40, 259,679.70 and 111,692.34 is: 154,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,186.40 : 259,679.70 = 111,692.34 : x
  2. Step 2: Convert to fraction form
    188,186.40/259,679.70 = 111,692.34/x
  3. Step 3: Cross multiply
    188,186.40x = 259,679.70 × 111,692.34
  4. Step 4: Simplify right side
    188,186.40x = 29,004,233,343.50
  5. Step 5: Solve for x
    x = 29,004,233,343.50/188,186.40
  6. Step 6: Final answer
    x = 154,125.02

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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.