Home / 148,677.93-205,175.73-80,694.89

Finding the Fourth Proportional to 148,677.93, 205,175.73 and 80,694.89

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Solution

The fourth proportional to 148,677.93, 205,175.73 and 80,694.89 is: 111,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,677.93 : 205,175.73 = 80,694.89 : x
  2. Step 2: Convert to fraction form
    148,677.93/205,175.73 = 80,694.89/x
  3. Step 3: Cross multiply
    148,677.93x = 205,175.73 × 80,694.89
  4. Step 4: Simplify right side
    148,677.93x = 16,556,634,163.27
  5. Step 5: Solve for x
    x = 16,556,634,163.27/148,677.93
  6. Step 6: Final answer
    x = 111,359.06

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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.