Home / 161,111.12-241,760.30-66,350.84

Finding the Fourth Proportional to 161,111.12, 241,760.30 and 66,350.84

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Solution

The fourth proportional to 161,111.12, 241,760.30 and 66,350.84 is: 99,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,111.12 : 241,760.30 = 66,350.84 : x
  2. Step 2: Convert to fraction form
    161,111.12/241,760.30 = 66,350.84/x
  3. Step 3: Cross multiply
    161,111.12x = 241,760.30 × 66,350.84
  4. Step 4: Simplify right side
    161,111.12x = 16,040,997,443.10
  5. Step 5: Solve for x
    x = 16,040,997,443.10/161,111.12
  6. Step 6: Final answer
    x = 99,564.81

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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.