Home / 260,162.44-389,933.02-133,863.18

Finding the Fourth Proportional to 260,162.44, 389,933.02 and 133,863.18

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Solution

The fourth proportional to 260,162.44, 389,933.02 and 133,863.18 is: 200,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,162.44 : 389,933.02 = 133,863.18 : x
  2. Step 2: Convert to fraction form
    260,162.44/389,933.02 = 133,863.18/x
  3. Step 3: Cross multiply
    260,162.44x = 389,933.02 × 133,863.18
  4. Step 4: Simplify right side
    260,162.44x = 52,197,674,044.20
  5. Step 5: Solve for x
    x = 52,197,674,044.20/260,162.44
  6. Step 6: Final answer
    x = 200,634.93

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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.