Home / 144,827.10-199,850.49-81,152.64

Finding the Fourth Proportional to 144,827.10, 199,850.49 and 81,152.64

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Solution

The fourth proportional to 144,827.10, 199,850.49 and 81,152.64 is: 111,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,827.10 : 199,850.49 = 81,152.64 : x
  2. Step 2: Convert to fraction form
    144,827.10/199,850.49 = 81,152.64/x
  3. Step 3: Cross multiply
    144,827.10x = 199,850.49 × 81,152.64
  4. Step 4: Simplify right side
    144,827.10x = 16,218,394,868.79
  5. Step 5: Solve for x
    x = 16,218,394,868.79/144,827.10
  6. Step 6: Final answer
    x = 111,984.53

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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.