Home / 319,558.02-441,149.85-198,738.22

Finding the Fourth Proportional to 319,558.02, 441,149.85 and 198,738.22

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Solution

The fourth proportional to 319,558.02, 441,149.85 and 198,738.22 is: 274,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,558.02 : 441,149.85 = 198,738.22 : x
  2. Step 2: Convert to fraction form
    319,558.02/441,149.85 = 198,738.22/x
  3. Step 3: Cross multiply
    319,558.02x = 441,149.85 × 198,738.22
  4. Step 4: Simplify right side
    319,558.02x = 87,673,335,942.27
  5. Step 5: Solve for x
    x = 87,673,335,942.27/319,558.02
  6. Step 6: Final answer
    x = 274,358.11

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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.