Home / 448,520.27-672,665.76-132,903.36

Finding the Fourth Proportional to 448,520.27, 672,665.76 and 132,903.36

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Solution

The fourth proportional to 448,520.27, 672,665.76 and 132,903.36 is: 199,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,520.27 : 672,665.76 = 132,903.36 : x
  2. Step 2: Convert to fraction form
    448,520.27/672,665.76 = 132,903.36/x
  3. Step 3: Cross multiply
    448,520.27x = 672,665.76 × 132,903.36
  4. Step 4: Simplify right side
    448,520.27x = 89,399,539,660.95
  5. Step 5: Solve for x
    x = 89,399,539,660.95/448,520.27
  6. Step 6: Final answer
    x = 199,321.07

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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.