Home / 144,042.35-198,791.64-79,523.15

Finding the Fourth Proportional to 144,042.35, 198,791.64 and 79,523.15

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Solution

The fourth proportional to 144,042.35, 198,791.64 and 79,523.15 is: 109,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,042.35 : 198,791.64 = 79,523.15 : x
  2. Step 2: Convert to fraction form
    144,042.35/198,791.64 = 79,523.15/x
  3. Step 3: Cross multiply
    144,042.35x = 198,791.64 × 79,523.15
  4. Step 4: Simplify right side
    144,042.35x = 15,808,537,903.45
  5. Step 5: Solve for x
    x = 15,808,537,903.45/144,042.35
  6. Step 6: Final answer
    x = 109,749.23

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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.