Home / 144,192.44-198,985.98-80,532.64

Finding the Fourth Proportional to 144,192.44, 198,985.98 and 80,532.64

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Solution

The fourth proportional to 144,192.44, 198,985.98 and 80,532.64 is: 111,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,192.44 : 198,985.98 = 80,532.64 : x
  2. Step 2: Convert to fraction form
    144,192.44/198,985.98 = 80,532.64/x
  3. Step 3: Cross multiply
    144,192.44x = 198,985.98 × 80,532.64
  4. Step 4: Simplify right side
    144,192.44x = 16,024,866,292.39
  5. Step 5: Solve for x
    x = 16,024,866,292.39/144,192.44
  6. Step 6: Final answer
    x = 111,135.27

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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.