Home / 144,121.30-198,883.64-79,595.24

Finding the Fourth Proportional to 144,121.30, 198,883.64 and 79,595.24

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Solution

The fourth proportional to 144,121.30, 198,883.64 and 79,595.24 is: 109,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,121.30 : 198,883.64 = 79,595.24 : x
  2. Step 2: Convert to fraction form
    144,121.30/198,883.64 = 79,595.24/x
  3. Step 3: Cross multiply
    144,121.30x = 198,883.64 × 79,595.24
  4. Step 4: Simplify right side
    144,121.30x = 15,830,190,262.44
  5. Step 5: Solve for x
    x = 15,830,190,262.44/144,121.30
  6. Step 6: Final answer
    x = 109,839.35

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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.