Home / 148,926.20-205,519.73-80,943.18

Finding the Fourth Proportional to 148,926.20, 205,519.73 and 80,943.18

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Solution

The fourth proportional to 148,926.20, 205,519.73 and 80,943.18 is: 111,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,926.20 : 205,519.73 = 80,943.18 : x
  2. Step 2: Convert to fraction form
    148,926.20/205,519.73 = 80,943.18/x
  3. Step 3: Cross multiply
    148,926.20x = 205,519.73 × 80,943.18
  4. Step 4: Simplify right side
    148,926.20x = 16,635,419,066.63
  5. Step 5: Solve for x
    x = 16,635,419,066.63/148,926.20
  6. Step 6: Final answer
    x = 111,702.44

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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.