Home / 156,063.16-233,982.96-66,111.94

Finding the Fourth Proportional to 156,063.16, 233,982.96 and 66,111.94

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Solution

The fourth proportional to 156,063.16, 233,982.96 and 66,111.94 is: 99,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,063.16 : 233,982.96 = 66,111.94 : x
  2. Step 2: Convert to fraction form
    156,063.16/233,982.96 = 66,111.94/x
  3. Step 3: Cross multiply
    156,063.16x = 233,982.96 × 66,111.94
  4. Step 4: Simplify right side
    156,063.16x = 15,469,067,412.54
  5. Step 5: Solve for x
    x = 15,469,067,412.54/156,063.16
  6. Step 6: Final answer
    x = 99,120.56

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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.