Home / 148,996.11-205,608.96-81,013.14

Finding the Fourth Proportional to 148,996.11, 205,608.96 and 81,013.14

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Solution

The fourth proportional to 148,996.11, 205,608.96 and 81,013.14 is: 111,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,996.11 : 205,608.96 = 81,013.14 : x
  2. Step 2: Convert to fraction form
    148,996.11/205,608.96 = 81,013.14/x
  3. Step 3: Cross multiply
    148,996.11x = 205,608.96 × 81,013.14
  4. Step 4: Simplify right side
    148,996.11x = 16,657,026,433.69
  5. Step 5: Solve for x
    x = 16,657,026,433.69/148,996.11
  6. Step 6: Final answer
    x = 111,795.04

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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.