Home / 240,015.11-359,628.20-82,157.45

Finding the Fourth Proportional to 240,015.11, 359,628.20 and 82,157.45

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Solution

The fourth proportional to 240,015.11, 359,628.20 and 82,157.45 is: 123,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,015.11 : 359,628.20 = 82,157.45 : x
  2. Step 2: Convert to fraction form
    240,015.11/359,628.20 = 82,157.45/x
  3. Step 3: Cross multiply
    240,015.11x = 359,628.20 × 82,157.45
  4. Step 4: Simplify right side
    240,015.11x = 29,546,135,449.30
  5. Step 5: Solve for x
    x = 29,546,135,449.30/240,015.11
  6. Step 6: Final answer
    x = 123,101.15

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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.