Home / 481,016.97-721,566.75-126,031.02

Finding the Fourth Proportional to 481,016.97, 721,566.75 and 126,031.02

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Solution

The fourth proportional to 481,016.97, 721,566.75 and 126,031.02 is: 189,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,016.97 : 721,566.75 = 126,031.02 : x
  2. Step 2: Convert to fraction form
    481,016.97/721,566.75 = 126,031.02/x
  3. Step 3: Cross multiply
    481,016.97x = 721,566.75 × 126,031.02
  4. Step 4: Simplify right side
    481,016.97x = 90,939,793,500.59
  5. Step 5: Solve for x
    x = 90,939,793,500.59/481,016.97
  6. Step 6: Final answer
    x = 189,057.35

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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.