Home / 111,015.48-166,517.43-98,677.16

Finding the Fourth Proportional to 111,015.48, 166,517.43 and 98,677.16

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Solution

The fourth proportional to 111,015.48, 166,517.43 and 98,677.16 is: 148,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,015.48 : 166,517.43 = 98,677.16 : x
  2. Step 2: Convert to fraction form
    111,015.48/166,517.43 = 98,677.16/x
  3. Step 3: Cross multiply
    111,015.48x = 166,517.43 × 98,677.16
  4. Step 4: Simplify right side
    111,015.48x = 16,431,467,082.90
  5. Step 5: Solve for x
    x = 16,431,467,082.90/111,015.48
  6. Step 6: Final answer
    x = 148,010.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.