Home / 284,137.43-391,986.65-173,760.92

Finding the Fourth Proportional to 284,137.43, 391,986.65 and 173,760.92

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Solution

The fourth proportional to 284,137.43, 391,986.65 and 173,760.92 is: 239,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,137.43 : 391,986.65 = 173,760.92 : x
  2. Step 2: Convert to fraction form
    284,137.43/391,986.65 = 173,760.92/x
  3. Step 3: Cross multiply
    284,137.43x = 391,986.65 × 173,760.92
  4. Step 4: Simplify right side
    284,137.43x = 68,111,959,951.75
  5. Step 5: Solve for x
    x = 68,111,959,951.75/284,137.43
  6. Step 6: Final answer
    x = 239,714.85

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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.