Home / 268,361.10-402,388.56-110,401.38

Finding the Fourth Proportional to 268,361.10, 402,388.56 and 110,401.38

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Solution

The fourth proportional to 268,361.10, 402,388.56 and 110,401.38 is: 165,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,361.10 : 402,388.56 = 110,401.38 : x
  2. Step 2: Convert to fraction form
    268,361.10/402,388.56 = 110,401.38/x
  3. Step 3: Cross multiply
    268,361.10x = 402,388.56 × 110,401.38
  4. Step 4: Simplify right side
    268,361.10x = 44,424,252,320.21
  5. Step 5: Solve for x
    x = 44,424,252,320.21/268,361.10
  6. Step 6: Final answer
    x = 165,539.09

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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.