Home / 603,439.53-905,159.25-154,161.36

Finding the Fourth Proportional to 603,439.53, 905,159.25 and 154,161.36

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Solution

The fourth proportional to 603,439.53, 905,159.25 and 154,161.36 is: 231,242.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,439.53 : 905,159.25 = 154,161.36 : x
  2. Step 2: Convert to fraction form
    603,439.53/905,159.25 = 154,161.36/x
  3. Step 3: Cross multiply
    603,439.53x = 905,159.25 × 154,161.36
  4. Step 4: Simplify right side
    603,439.53x = 139,540,580,996.58
  5. Step 5: Solve for x
    x = 139,540,580,996.58/603,439.53
  6. Step 6: Final answer
    x = 231,242.03

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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.