Home / 188,224.20-259,635.27-111,692.88

Finding the Fourth Proportional to 188,224.20, 259,635.27 and 111,692.88

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Solution

The fourth proportional to 188,224.20, 259,635.27 and 111,692.88 is: 154,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,224.20 : 259,635.27 = 111,692.88 : x
  2. Step 2: Convert to fraction form
    188,224.20/259,635.27 = 111,692.88/x
  3. Step 3: Cross multiply
    188,224.20x = 259,635.27 × 111,692.88
  4. Step 4: Simplify right side
    188,224.20x = 28,999,411,055.88
  5. Step 5: Solve for x
    x = 28,999,411,055.88/188,224.20
  6. Step 6: Final answer
    x = 154,068.45

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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.