Home / 134,842.46-202,128.83-68,080.64

Finding the Fourth Proportional to 134,842.46, 202,128.83 and 68,080.64

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Solution

The fourth proportional to 134,842.46, 202,128.83 and 68,080.64 is: 102,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,842.46 : 202,128.83 = 68,080.64 : x
  2. Step 2: Convert to fraction form
    134,842.46/202,128.83 = 68,080.64/x
  3. Step 3: Cross multiply
    134,842.46x = 202,128.83 × 68,080.64
  4. Step 4: Simplify right side
    134,842.46x = 13,761,060,273.77
  5. Step 5: Solve for x
    x = 13,761,060,273.77/134,842.46
  6. Step 6: Final answer
    x = 102,052.87

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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.