Home / 440,027.82-660,036.15-140,504.60

Finding the Fourth Proportional to 440,027.82, 660,036.15 and 140,504.60

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Solution

The fourth proportional to 440,027.82, 660,036.15 and 140,504.60 is: 210,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,027.82 : 660,036.15 = 140,504.60 : x
  2. Step 2: Convert to fraction form
    440,027.82/660,036.15 = 140,504.60/x
  3. Step 3: Cross multiply
    440,027.82x = 660,036.15 × 140,504.60
  4. Step 4: Simplify right side
    440,027.82x = 92,738,116,891.38
  5. Step 5: Solve for x
    x = 92,738,116,891.38/440,027.82
  6. Step 6: Final answer
    x = 210,755.12

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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.