Home / 280,044.24-386,491.02-171,212.43

Finding the Fourth Proportional to 280,044.24, 386,491.02 and 171,212.43

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Solution

The fourth proportional to 280,044.24, 386,491.02 and 171,212.43 is: 236,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,044.24 : 386,491.02 = 171,212.43 : x
  2. Step 2: Convert to fraction form
    280,044.24/386,491.02 = 171,212.43/x
  3. Step 3: Cross multiply
    280,044.24x = 386,491.02 × 171,212.43
  4. Step 4: Simplify right side
    280,044.24x = 66,172,067,996.21
  5. Step 5: Solve for x
    x = 66,172,067,996.21/280,044.24
  6. Step 6: Final answer
    x = 236,291.48

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1.5x scale

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.