Home / 148,676.17-205,173.31-80,693.14

Finding the Fourth Proportional to 148,676.17, 205,173.31 and 80,693.14

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Solution

The fourth proportional to 148,676.17, 205,173.31 and 80,693.14 is: 111,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,676.17 : 205,173.31 = 80,693.14 : x
  2. Step 2: Convert to fraction form
    148,676.17/205,173.31 = 80,693.14/x
  3. Step 3: Cross multiply
    148,676.17x = 205,173.31 × 80,693.14
  4. Step 4: Simplify right side
    148,676.17x = 16,556,078,628.09
  5. Step 5: Solve for x
    x = 16,556,078,628.09/148,676.17
  6. Step 6: Final answer
    x = 111,356.64

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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.