Home / 144,361.08-199,222.74-80,701.56

Finding the Fourth Proportional to 144,361.08, 199,222.74 and 80,701.56

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Solution

The fourth proportional to 144,361.08, 199,222.74 and 80,701.56 is: 111,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,361.08 : 199,222.74 = 80,701.56 : x
  2. Step 2: Convert to fraction form
    144,361.08/199,222.74 = 80,701.56/x
  3. Step 3: Cross multiply
    144,361.08x = 199,222.74 × 80,701.56
  4. Step 4: Simplify right side
    144,361.08x = 16,077,585,905.47
  5. Step 5: Solve for x
    x = 16,077,585,905.47/144,361.08
  6. Step 6: Final answer
    x = 111,370.64

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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.