Home / 254,361.12-351,022.76-139,650.44

Finding the Fourth Proportional to 254,361.12, 351,022.76 and 139,650.44

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Solution

The fourth proportional to 254,361.12, 351,022.76 and 139,650.44 is: 192,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,361.12 : 351,022.76 = 139,650.44 : x
  2. Step 2: Convert to fraction form
    254,361.12/351,022.76 = 139,650.44/x
  3. Step 3: Cross multiply
    254,361.12x = 351,022.76 × 139,650.44
  4. Step 4: Simplify right side
    254,361.12x = 49,020,482,884.01
  5. Step 5: Solve for x
    x = 49,020,482,884.01/254,361.12
  6. Step 6: Final answer
    x = 192,720.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.