Home / 202,080.03-278,754.66-126,497.31

Finding the Fourth Proportional to 202,080.03, 278,754.66 and 126,497.31

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Solution

The fourth proportional to 202,080.03, 278,754.66 and 126,497.31 is: 174,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,080.03 : 278,754.66 = 126,497.31 : x
  2. Step 2: Convert to fraction form
    202,080.03/278,754.66 = 126,497.31/x
  3. Step 3: Cross multiply
    202,080.03x = 278,754.66 × 126,497.31
  4. Step 4: Simplify right side
    202,080.03x = 35,261,714,639.96
  5. Step 5: Solve for x
    x = 35,261,714,639.96/202,080.03
  6. Step 6: Final answer
    x = 174,493.81

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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.