Home / 240,748.45-361,121.84-72,268.10

Finding the Fourth Proportional to 240,748.45, 361,121.84 and 72,268.10

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Solution

The fourth proportional to 240,748.45, 361,121.84 and 72,268.10 is: 108,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,748.45 : 361,121.84 = 72,268.10 : x
  2. Step 2: Convert to fraction form
    240,748.45/361,121.84 = 72,268.10/x
  3. Step 3: Cross multiply
    240,748.45x = 361,121.84 × 72,268.10
  4. Step 4: Simplify right side
    240,748.45x = 26,097,589,110.07
  5. Step 5: Solve for x
    x = 26,097,589,110.07/240,748.45
  6. Step 6: Final answer
    x = 108,401.90

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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.