Home / 144,583.67-199,517.64-80,909.17

Finding the Fourth Proportional to 144,583.67, 199,517.64 and 80,909.17

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Solution

The fourth proportional to 144,583.67, 199,517.64 and 80,909.17 is: 111,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,583.67 : 199,517.64 = 80,909.17 : x
  2. Step 2: Convert to fraction form
    144,583.67/199,517.64 = 80,909.17/x
  3. Step 3: Cross multiply
    144,583.67x = 199,517.64 × 80,909.17
  4. Step 4: Simplify right side
    144,583.67x = 16,142,806,652.76
  5. Step 5: Solve for x
    x = 16,142,806,652.76/144,583.67
  6. Step 6: Final answer
    x = 111,650.28

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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.